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Risk Assessment in Chemical Food Safety Dept. of Food Safety and Zoonoses (FOS) http://www.who.int/foodsafety/en/
Transcript
Page 1: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

Risk Assessment in

Chemical Food Safety

Dept of Food Safety and Zoonoses (FOS) httpwwwwhointfoodsafetyen

2 |

Risk Analysis Paradigm

Scientific data

analysis

Regulation and control

Dialog with all stakeholders

Risk Communication

Internationally

Risk Management

Codex amp Member States

Risk Assessment

WHO amp FAO

Risk Assessment A Scientific Process

Hazard Identification

Hazard Characterization

Exposure Assessment

Risk Characterization

Problem Formulation RM

RA

Risk =

Hazard x Exposure

4 |

Example of chemical risk assessment

5 |

Main Question in Food Safety

What is a bdquosaferdquo human exposure over lifetime

eg a dose with rdquono appreciable or a negligible riskrdquo

BUT for some scenarioscompounds also acute risks relevant

6 |

General considerations re RA

Identify problems - prioritization

Define the scope

Relevant expertise ndash chemists toxicologists epidemiologists modellersstatisticians

veterinarians etc

Interaction between risk assessor and risk manager ndash common understanding of problem

Recognise limitations in data resources - be transparent

Take the whole database into account - integrate results

WHO

Hazard

Assessment

Exposure

Assessment

Key NOAEL

Uncertainty

factors

Safety standard

(Health based guidance value)

eg ADI=NOAELUfs

Chemical

analysis

Food

consumption

X

Exposure

Safety assurance

Exposure lt ADI

Exposure gt ADI Management

Decision

8 |

A process to determine

possible adverse

effects of a chemical on

the organism1

- hazard identification

- hazard characterization

Hazard Assessment

1 adapted from EHC 240 Principles and methods for the risk assessment of chemicals in food Annex 1 Glossary of terms FAOWHO 2009

httpappswhointirisbitstream106654406513WHO_EHC_240_13_eng_Annex1pdfua=1

9

Hazard Assessment

Assessment Procedure Identification of critical endpointeffect and

critical studydata set ndash most sensitive species most sensitive endpoint of

relevance to humans most relevant epidemiological study

Dose-response analysis (Point of Departure) ndash NoLow Observed Adverse Effect Level (NLOAEL)

Benchmark Dose (BMD BMDL)

Identification of uncertainties assignment of uncertaintysafety factors

Outcome Health based guidance value (ADI TDI ARfD)

quantitative risk at specific exposure qualitative descriptor other guidance to risk manager (eg MOE)

10 |

ldquohellip the qualitative

andor quantitative

evaluation of the likely

intake of biological

chemical and physical

agents via food helliprdquo1

Dietary Exposure Assessment

1 The Codex Alimentarius Commissionrsquos (CAC) Procedural Manual (FAOWHO 2008a)

11 |

Dietary Exposure Assessment

Combining food consumption data with occurrence of chemical in food

Deterministic approach (point estimate)

Probabilistic approach (distribution)

Outcome ndash Estimated mean and high dietary exposures

ndash Identification of specific sub-groups

ndash Identification of key exposure sources

Reference httpwwwwhointfoodsafetychemjecfaenintake_guidelinespdf

12 |

Types of Risk Assessment

Rapid risk assessment ndash emergencies

Qualitative RA ndash due to lack of data or lack of health concern

Quantitative RA ndash derivation of guidance value or full expression of probability of adverse health outcome at defined level of exposure

Dat

a an

d r

eso

urc

e n

eed

s

13

Hazard assessment

Biochemical data - Absorption distribution excretion metabolism effects on enzymes

Toxicological data ndash Acute short-term long-term toxicity amp carcinogenicity (mainly rats and

mice sometimes dogs) ndash Genotoxicity (in vitro and in vivo) ndash Reproductive and developmental toxicity (mainly rats) ndash Special studies (eg immunotoxicity cardiovascular effects thyroid

function)

Observations in humans

What are data

Independant of geographic origin

14

Exposure assessment

Food consumption data - Average high consumption different age groups

Occurrence data ndash Amount in food (raw processedhellip)

What are data

Country region dietary habit specific

15 |

Where do data come from

- Regulatory data submission by manufacturer

For compounds intentionally added to foods

- Data from governments

- Monitoring data epidemiological data research data

- Open scientific literature

- Experimental research human data

16 |

ADITDI

Level of health concern

Sources of exposure

Prioritization

Codex Alimentarius Commission

Toxicology amp Epidemiology

(WHO)

Chemistry Analytics (FAO)

JECFA

General procedure and interaction

FAOWHO

Secretariat to

schedule meetings

Call for data

Call for experts

Standards Recommendations

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 2: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

2 |

Risk Analysis Paradigm

Scientific data

analysis

Regulation and control

Dialog with all stakeholders

Risk Communication

Internationally

Risk Management

Codex amp Member States

Risk Assessment

WHO amp FAO

Risk Assessment A Scientific Process

Hazard Identification

Hazard Characterization

Exposure Assessment

Risk Characterization

Problem Formulation RM

RA

Risk =

Hazard x Exposure

4 |

Example of chemical risk assessment

5 |

Main Question in Food Safety

What is a bdquosaferdquo human exposure over lifetime

eg a dose with rdquono appreciable or a negligible riskrdquo

BUT for some scenarioscompounds also acute risks relevant

6 |

General considerations re RA

Identify problems - prioritization

Define the scope

Relevant expertise ndash chemists toxicologists epidemiologists modellersstatisticians

veterinarians etc

Interaction between risk assessor and risk manager ndash common understanding of problem

Recognise limitations in data resources - be transparent

Take the whole database into account - integrate results

WHO

Hazard

Assessment

Exposure

Assessment

Key NOAEL

Uncertainty

factors

Safety standard

(Health based guidance value)

eg ADI=NOAELUfs

Chemical

analysis

Food

consumption

X

Exposure

Safety assurance

Exposure lt ADI

Exposure gt ADI Management

Decision

8 |

A process to determine

possible adverse

effects of a chemical on

the organism1

- hazard identification

- hazard characterization

Hazard Assessment

1 adapted from EHC 240 Principles and methods for the risk assessment of chemicals in food Annex 1 Glossary of terms FAOWHO 2009

httpappswhointirisbitstream106654406513WHO_EHC_240_13_eng_Annex1pdfua=1

9

Hazard Assessment

Assessment Procedure Identification of critical endpointeffect and

critical studydata set ndash most sensitive species most sensitive endpoint of

relevance to humans most relevant epidemiological study

Dose-response analysis (Point of Departure) ndash NoLow Observed Adverse Effect Level (NLOAEL)

Benchmark Dose (BMD BMDL)

Identification of uncertainties assignment of uncertaintysafety factors

Outcome Health based guidance value (ADI TDI ARfD)

quantitative risk at specific exposure qualitative descriptor other guidance to risk manager (eg MOE)

10 |

ldquohellip the qualitative

andor quantitative

evaluation of the likely

intake of biological

chemical and physical

agents via food helliprdquo1

Dietary Exposure Assessment

1 The Codex Alimentarius Commissionrsquos (CAC) Procedural Manual (FAOWHO 2008a)

11 |

Dietary Exposure Assessment

Combining food consumption data with occurrence of chemical in food

Deterministic approach (point estimate)

Probabilistic approach (distribution)

Outcome ndash Estimated mean and high dietary exposures

ndash Identification of specific sub-groups

ndash Identification of key exposure sources

Reference httpwwwwhointfoodsafetychemjecfaenintake_guidelinespdf

12 |

Types of Risk Assessment

Rapid risk assessment ndash emergencies

Qualitative RA ndash due to lack of data or lack of health concern

Quantitative RA ndash derivation of guidance value or full expression of probability of adverse health outcome at defined level of exposure

Dat

a an

d r

eso

urc

e n

eed

s

13

Hazard assessment

Biochemical data - Absorption distribution excretion metabolism effects on enzymes

Toxicological data ndash Acute short-term long-term toxicity amp carcinogenicity (mainly rats and

mice sometimes dogs) ndash Genotoxicity (in vitro and in vivo) ndash Reproductive and developmental toxicity (mainly rats) ndash Special studies (eg immunotoxicity cardiovascular effects thyroid

function)

Observations in humans

What are data

Independant of geographic origin

14

Exposure assessment

Food consumption data - Average high consumption different age groups

Occurrence data ndash Amount in food (raw processedhellip)

What are data

Country region dietary habit specific

15 |

Where do data come from

- Regulatory data submission by manufacturer

For compounds intentionally added to foods

- Data from governments

- Monitoring data epidemiological data research data

- Open scientific literature

- Experimental research human data

16 |

ADITDI

Level of health concern

Sources of exposure

Prioritization

Codex Alimentarius Commission

Toxicology amp Epidemiology

(WHO)

Chemistry Analytics (FAO)

JECFA

General procedure and interaction

FAOWHO

Secretariat to

schedule meetings

Call for data

Call for experts

Standards Recommendations

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 3: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

Risk Assessment A Scientific Process

Hazard Identification

Hazard Characterization

Exposure Assessment

Risk Characterization

Problem Formulation RM

RA

Risk =

Hazard x Exposure

4 |

Example of chemical risk assessment

5 |

Main Question in Food Safety

What is a bdquosaferdquo human exposure over lifetime

eg a dose with rdquono appreciable or a negligible riskrdquo

BUT for some scenarioscompounds also acute risks relevant

6 |

General considerations re RA

Identify problems - prioritization

Define the scope

Relevant expertise ndash chemists toxicologists epidemiologists modellersstatisticians

veterinarians etc

Interaction between risk assessor and risk manager ndash common understanding of problem

Recognise limitations in data resources - be transparent

Take the whole database into account - integrate results

WHO

Hazard

Assessment

Exposure

Assessment

Key NOAEL

Uncertainty

factors

Safety standard

(Health based guidance value)

eg ADI=NOAELUfs

Chemical

analysis

Food

consumption

X

Exposure

Safety assurance

Exposure lt ADI

Exposure gt ADI Management

Decision

8 |

A process to determine

possible adverse

effects of a chemical on

the organism1

- hazard identification

- hazard characterization

Hazard Assessment

1 adapted from EHC 240 Principles and methods for the risk assessment of chemicals in food Annex 1 Glossary of terms FAOWHO 2009

httpappswhointirisbitstream106654406513WHO_EHC_240_13_eng_Annex1pdfua=1

9

Hazard Assessment

Assessment Procedure Identification of critical endpointeffect and

critical studydata set ndash most sensitive species most sensitive endpoint of

relevance to humans most relevant epidemiological study

Dose-response analysis (Point of Departure) ndash NoLow Observed Adverse Effect Level (NLOAEL)

Benchmark Dose (BMD BMDL)

Identification of uncertainties assignment of uncertaintysafety factors

Outcome Health based guidance value (ADI TDI ARfD)

quantitative risk at specific exposure qualitative descriptor other guidance to risk manager (eg MOE)

10 |

ldquohellip the qualitative

andor quantitative

evaluation of the likely

intake of biological

chemical and physical

agents via food helliprdquo1

Dietary Exposure Assessment

1 The Codex Alimentarius Commissionrsquos (CAC) Procedural Manual (FAOWHO 2008a)

11 |

Dietary Exposure Assessment

Combining food consumption data with occurrence of chemical in food

Deterministic approach (point estimate)

Probabilistic approach (distribution)

Outcome ndash Estimated mean and high dietary exposures

ndash Identification of specific sub-groups

ndash Identification of key exposure sources

Reference httpwwwwhointfoodsafetychemjecfaenintake_guidelinespdf

12 |

Types of Risk Assessment

Rapid risk assessment ndash emergencies

Qualitative RA ndash due to lack of data or lack of health concern

Quantitative RA ndash derivation of guidance value or full expression of probability of adverse health outcome at defined level of exposure

Dat

a an

d r

eso

urc

e n

eed

s

13

Hazard assessment

Biochemical data - Absorption distribution excretion metabolism effects on enzymes

Toxicological data ndash Acute short-term long-term toxicity amp carcinogenicity (mainly rats and

mice sometimes dogs) ndash Genotoxicity (in vitro and in vivo) ndash Reproductive and developmental toxicity (mainly rats) ndash Special studies (eg immunotoxicity cardiovascular effects thyroid

function)

Observations in humans

What are data

Independant of geographic origin

14

Exposure assessment

Food consumption data - Average high consumption different age groups

Occurrence data ndash Amount in food (raw processedhellip)

What are data

Country region dietary habit specific

15 |

Where do data come from

- Regulatory data submission by manufacturer

For compounds intentionally added to foods

- Data from governments

- Monitoring data epidemiological data research data

- Open scientific literature

- Experimental research human data

16 |

ADITDI

Level of health concern

Sources of exposure

Prioritization

Codex Alimentarius Commission

Toxicology amp Epidemiology

(WHO)

Chemistry Analytics (FAO)

JECFA

General procedure and interaction

FAOWHO

Secretariat to

schedule meetings

Call for data

Call for experts

Standards Recommendations

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 4: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

4 |

Example of chemical risk assessment

5 |

Main Question in Food Safety

What is a bdquosaferdquo human exposure over lifetime

eg a dose with rdquono appreciable or a negligible riskrdquo

BUT for some scenarioscompounds also acute risks relevant

6 |

General considerations re RA

Identify problems - prioritization

Define the scope

Relevant expertise ndash chemists toxicologists epidemiologists modellersstatisticians

veterinarians etc

Interaction between risk assessor and risk manager ndash common understanding of problem

Recognise limitations in data resources - be transparent

Take the whole database into account - integrate results

WHO

Hazard

Assessment

Exposure

Assessment

Key NOAEL

Uncertainty

factors

Safety standard

(Health based guidance value)

eg ADI=NOAELUfs

Chemical

analysis

Food

consumption

X

Exposure

Safety assurance

Exposure lt ADI

Exposure gt ADI Management

Decision

8 |

A process to determine

possible adverse

effects of a chemical on

the organism1

- hazard identification

- hazard characterization

Hazard Assessment

1 adapted from EHC 240 Principles and methods for the risk assessment of chemicals in food Annex 1 Glossary of terms FAOWHO 2009

httpappswhointirisbitstream106654406513WHO_EHC_240_13_eng_Annex1pdfua=1

9

Hazard Assessment

Assessment Procedure Identification of critical endpointeffect and

critical studydata set ndash most sensitive species most sensitive endpoint of

relevance to humans most relevant epidemiological study

Dose-response analysis (Point of Departure) ndash NoLow Observed Adverse Effect Level (NLOAEL)

Benchmark Dose (BMD BMDL)

Identification of uncertainties assignment of uncertaintysafety factors

Outcome Health based guidance value (ADI TDI ARfD)

quantitative risk at specific exposure qualitative descriptor other guidance to risk manager (eg MOE)

10 |

ldquohellip the qualitative

andor quantitative

evaluation of the likely

intake of biological

chemical and physical

agents via food helliprdquo1

Dietary Exposure Assessment

1 The Codex Alimentarius Commissionrsquos (CAC) Procedural Manual (FAOWHO 2008a)

11 |

Dietary Exposure Assessment

Combining food consumption data with occurrence of chemical in food

Deterministic approach (point estimate)

Probabilistic approach (distribution)

Outcome ndash Estimated mean and high dietary exposures

ndash Identification of specific sub-groups

ndash Identification of key exposure sources

Reference httpwwwwhointfoodsafetychemjecfaenintake_guidelinespdf

12 |

Types of Risk Assessment

Rapid risk assessment ndash emergencies

Qualitative RA ndash due to lack of data or lack of health concern

Quantitative RA ndash derivation of guidance value or full expression of probability of adverse health outcome at defined level of exposure

Dat

a an

d r

eso

urc

e n

eed

s

13

Hazard assessment

Biochemical data - Absorption distribution excretion metabolism effects on enzymes

Toxicological data ndash Acute short-term long-term toxicity amp carcinogenicity (mainly rats and

mice sometimes dogs) ndash Genotoxicity (in vitro and in vivo) ndash Reproductive and developmental toxicity (mainly rats) ndash Special studies (eg immunotoxicity cardiovascular effects thyroid

function)

Observations in humans

What are data

Independant of geographic origin

14

Exposure assessment

Food consumption data - Average high consumption different age groups

Occurrence data ndash Amount in food (raw processedhellip)

What are data

Country region dietary habit specific

15 |

Where do data come from

- Regulatory data submission by manufacturer

For compounds intentionally added to foods

- Data from governments

- Monitoring data epidemiological data research data

- Open scientific literature

- Experimental research human data

16 |

ADITDI

Level of health concern

Sources of exposure

Prioritization

Codex Alimentarius Commission

Toxicology amp Epidemiology

(WHO)

Chemistry Analytics (FAO)

JECFA

General procedure and interaction

FAOWHO

Secretariat to

schedule meetings

Call for data

Call for experts

Standards Recommendations

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 5: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

5 |

Main Question in Food Safety

What is a bdquosaferdquo human exposure over lifetime

eg a dose with rdquono appreciable or a negligible riskrdquo

BUT for some scenarioscompounds also acute risks relevant

6 |

General considerations re RA

Identify problems - prioritization

Define the scope

Relevant expertise ndash chemists toxicologists epidemiologists modellersstatisticians

veterinarians etc

Interaction between risk assessor and risk manager ndash common understanding of problem

Recognise limitations in data resources - be transparent

Take the whole database into account - integrate results

WHO

Hazard

Assessment

Exposure

Assessment

Key NOAEL

Uncertainty

factors

Safety standard

(Health based guidance value)

eg ADI=NOAELUfs

Chemical

analysis

Food

consumption

X

Exposure

Safety assurance

Exposure lt ADI

Exposure gt ADI Management

Decision

8 |

A process to determine

possible adverse

effects of a chemical on

the organism1

- hazard identification

- hazard characterization

Hazard Assessment

1 adapted from EHC 240 Principles and methods for the risk assessment of chemicals in food Annex 1 Glossary of terms FAOWHO 2009

httpappswhointirisbitstream106654406513WHO_EHC_240_13_eng_Annex1pdfua=1

9

Hazard Assessment

Assessment Procedure Identification of critical endpointeffect and

critical studydata set ndash most sensitive species most sensitive endpoint of

relevance to humans most relevant epidemiological study

Dose-response analysis (Point of Departure) ndash NoLow Observed Adverse Effect Level (NLOAEL)

Benchmark Dose (BMD BMDL)

Identification of uncertainties assignment of uncertaintysafety factors

Outcome Health based guidance value (ADI TDI ARfD)

quantitative risk at specific exposure qualitative descriptor other guidance to risk manager (eg MOE)

10 |

ldquohellip the qualitative

andor quantitative

evaluation of the likely

intake of biological

chemical and physical

agents via food helliprdquo1

Dietary Exposure Assessment

1 The Codex Alimentarius Commissionrsquos (CAC) Procedural Manual (FAOWHO 2008a)

11 |

Dietary Exposure Assessment

Combining food consumption data with occurrence of chemical in food

Deterministic approach (point estimate)

Probabilistic approach (distribution)

Outcome ndash Estimated mean and high dietary exposures

ndash Identification of specific sub-groups

ndash Identification of key exposure sources

Reference httpwwwwhointfoodsafetychemjecfaenintake_guidelinespdf

12 |

Types of Risk Assessment

Rapid risk assessment ndash emergencies

Qualitative RA ndash due to lack of data or lack of health concern

Quantitative RA ndash derivation of guidance value or full expression of probability of adverse health outcome at defined level of exposure

Dat

a an

d r

eso

urc

e n

eed

s

13

Hazard assessment

Biochemical data - Absorption distribution excretion metabolism effects on enzymes

Toxicological data ndash Acute short-term long-term toxicity amp carcinogenicity (mainly rats and

mice sometimes dogs) ndash Genotoxicity (in vitro and in vivo) ndash Reproductive and developmental toxicity (mainly rats) ndash Special studies (eg immunotoxicity cardiovascular effects thyroid

function)

Observations in humans

What are data

Independant of geographic origin

14

Exposure assessment

Food consumption data - Average high consumption different age groups

Occurrence data ndash Amount in food (raw processedhellip)

What are data

Country region dietary habit specific

15 |

Where do data come from

- Regulatory data submission by manufacturer

For compounds intentionally added to foods

- Data from governments

- Monitoring data epidemiological data research data

- Open scientific literature

- Experimental research human data

16 |

ADITDI

Level of health concern

Sources of exposure

Prioritization

Codex Alimentarius Commission

Toxicology amp Epidemiology

(WHO)

Chemistry Analytics (FAO)

JECFA

General procedure and interaction

FAOWHO

Secretariat to

schedule meetings

Call for data

Call for experts

Standards Recommendations

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 6: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

6 |

General considerations re RA

Identify problems - prioritization

Define the scope

Relevant expertise ndash chemists toxicologists epidemiologists modellersstatisticians

veterinarians etc

Interaction between risk assessor and risk manager ndash common understanding of problem

Recognise limitations in data resources - be transparent

Take the whole database into account - integrate results

WHO

Hazard

Assessment

Exposure

Assessment

Key NOAEL

Uncertainty

factors

Safety standard

(Health based guidance value)

eg ADI=NOAELUfs

Chemical

analysis

Food

consumption

X

Exposure

Safety assurance

Exposure lt ADI

Exposure gt ADI Management

Decision

8 |

A process to determine

possible adverse

effects of a chemical on

the organism1

- hazard identification

- hazard characterization

Hazard Assessment

1 adapted from EHC 240 Principles and methods for the risk assessment of chemicals in food Annex 1 Glossary of terms FAOWHO 2009

httpappswhointirisbitstream106654406513WHO_EHC_240_13_eng_Annex1pdfua=1

9

Hazard Assessment

Assessment Procedure Identification of critical endpointeffect and

critical studydata set ndash most sensitive species most sensitive endpoint of

relevance to humans most relevant epidemiological study

Dose-response analysis (Point of Departure) ndash NoLow Observed Adverse Effect Level (NLOAEL)

Benchmark Dose (BMD BMDL)

Identification of uncertainties assignment of uncertaintysafety factors

Outcome Health based guidance value (ADI TDI ARfD)

quantitative risk at specific exposure qualitative descriptor other guidance to risk manager (eg MOE)

10 |

ldquohellip the qualitative

andor quantitative

evaluation of the likely

intake of biological

chemical and physical

agents via food helliprdquo1

Dietary Exposure Assessment

1 The Codex Alimentarius Commissionrsquos (CAC) Procedural Manual (FAOWHO 2008a)

11 |

Dietary Exposure Assessment

Combining food consumption data with occurrence of chemical in food

Deterministic approach (point estimate)

Probabilistic approach (distribution)

Outcome ndash Estimated mean and high dietary exposures

ndash Identification of specific sub-groups

ndash Identification of key exposure sources

Reference httpwwwwhointfoodsafetychemjecfaenintake_guidelinespdf

12 |

Types of Risk Assessment

Rapid risk assessment ndash emergencies

Qualitative RA ndash due to lack of data or lack of health concern

Quantitative RA ndash derivation of guidance value or full expression of probability of adverse health outcome at defined level of exposure

Dat

a an

d r

eso

urc

e n

eed

s

13

Hazard assessment

Biochemical data - Absorption distribution excretion metabolism effects on enzymes

Toxicological data ndash Acute short-term long-term toxicity amp carcinogenicity (mainly rats and

mice sometimes dogs) ndash Genotoxicity (in vitro and in vivo) ndash Reproductive and developmental toxicity (mainly rats) ndash Special studies (eg immunotoxicity cardiovascular effects thyroid

function)

Observations in humans

What are data

Independant of geographic origin

14

Exposure assessment

Food consumption data - Average high consumption different age groups

Occurrence data ndash Amount in food (raw processedhellip)

What are data

Country region dietary habit specific

15 |

Where do data come from

- Regulatory data submission by manufacturer

For compounds intentionally added to foods

- Data from governments

- Monitoring data epidemiological data research data

- Open scientific literature

- Experimental research human data

16 |

ADITDI

Level of health concern

Sources of exposure

Prioritization

Codex Alimentarius Commission

Toxicology amp Epidemiology

(WHO)

Chemistry Analytics (FAO)

JECFA

General procedure and interaction

FAOWHO

Secretariat to

schedule meetings

Call for data

Call for experts

Standards Recommendations

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 7: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

WHO

Hazard

Assessment

Exposure

Assessment

Key NOAEL

Uncertainty

factors

Safety standard

(Health based guidance value)

eg ADI=NOAELUfs

Chemical

analysis

Food

consumption

X

Exposure

Safety assurance

Exposure lt ADI

Exposure gt ADI Management

Decision

8 |

A process to determine

possible adverse

effects of a chemical on

the organism1

- hazard identification

- hazard characterization

Hazard Assessment

1 adapted from EHC 240 Principles and methods for the risk assessment of chemicals in food Annex 1 Glossary of terms FAOWHO 2009

httpappswhointirisbitstream106654406513WHO_EHC_240_13_eng_Annex1pdfua=1

9

Hazard Assessment

Assessment Procedure Identification of critical endpointeffect and

critical studydata set ndash most sensitive species most sensitive endpoint of

relevance to humans most relevant epidemiological study

Dose-response analysis (Point of Departure) ndash NoLow Observed Adverse Effect Level (NLOAEL)

Benchmark Dose (BMD BMDL)

Identification of uncertainties assignment of uncertaintysafety factors

Outcome Health based guidance value (ADI TDI ARfD)

quantitative risk at specific exposure qualitative descriptor other guidance to risk manager (eg MOE)

10 |

ldquohellip the qualitative

andor quantitative

evaluation of the likely

intake of biological

chemical and physical

agents via food helliprdquo1

Dietary Exposure Assessment

1 The Codex Alimentarius Commissionrsquos (CAC) Procedural Manual (FAOWHO 2008a)

11 |

Dietary Exposure Assessment

Combining food consumption data with occurrence of chemical in food

Deterministic approach (point estimate)

Probabilistic approach (distribution)

Outcome ndash Estimated mean and high dietary exposures

ndash Identification of specific sub-groups

ndash Identification of key exposure sources

Reference httpwwwwhointfoodsafetychemjecfaenintake_guidelinespdf

12 |

Types of Risk Assessment

Rapid risk assessment ndash emergencies

Qualitative RA ndash due to lack of data or lack of health concern

Quantitative RA ndash derivation of guidance value or full expression of probability of adverse health outcome at defined level of exposure

Dat

a an

d r

eso

urc

e n

eed

s

13

Hazard assessment

Biochemical data - Absorption distribution excretion metabolism effects on enzymes

Toxicological data ndash Acute short-term long-term toxicity amp carcinogenicity (mainly rats and

mice sometimes dogs) ndash Genotoxicity (in vitro and in vivo) ndash Reproductive and developmental toxicity (mainly rats) ndash Special studies (eg immunotoxicity cardiovascular effects thyroid

function)

Observations in humans

What are data

Independant of geographic origin

14

Exposure assessment

Food consumption data - Average high consumption different age groups

Occurrence data ndash Amount in food (raw processedhellip)

What are data

Country region dietary habit specific

15 |

Where do data come from

- Regulatory data submission by manufacturer

For compounds intentionally added to foods

- Data from governments

- Monitoring data epidemiological data research data

- Open scientific literature

- Experimental research human data

16 |

ADITDI

Level of health concern

Sources of exposure

Prioritization

Codex Alimentarius Commission

Toxicology amp Epidemiology

(WHO)

Chemistry Analytics (FAO)

JECFA

General procedure and interaction

FAOWHO

Secretariat to

schedule meetings

Call for data

Call for experts

Standards Recommendations

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 8: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

8 |

A process to determine

possible adverse

effects of a chemical on

the organism1

- hazard identification

- hazard characterization

Hazard Assessment

1 adapted from EHC 240 Principles and methods for the risk assessment of chemicals in food Annex 1 Glossary of terms FAOWHO 2009

httpappswhointirisbitstream106654406513WHO_EHC_240_13_eng_Annex1pdfua=1

9

Hazard Assessment

Assessment Procedure Identification of critical endpointeffect and

critical studydata set ndash most sensitive species most sensitive endpoint of

relevance to humans most relevant epidemiological study

Dose-response analysis (Point of Departure) ndash NoLow Observed Adverse Effect Level (NLOAEL)

Benchmark Dose (BMD BMDL)

Identification of uncertainties assignment of uncertaintysafety factors

Outcome Health based guidance value (ADI TDI ARfD)

quantitative risk at specific exposure qualitative descriptor other guidance to risk manager (eg MOE)

10 |

ldquohellip the qualitative

andor quantitative

evaluation of the likely

intake of biological

chemical and physical

agents via food helliprdquo1

Dietary Exposure Assessment

1 The Codex Alimentarius Commissionrsquos (CAC) Procedural Manual (FAOWHO 2008a)

11 |

Dietary Exposure Assessment

Combining food consumption data with occurrence of chemical in food

Deterministic approach (point estimate)

Probabilistic approach (distribution)

Outcome ndash Estimated mean and high dietary exposures

ndash Identification of specific sub-groups

ndash Identification of key exposure sources

Reference httpwwwwhointfoodsafetychemjecfaenintake_guidelinespdf

12 |

Types of Risk Assessment

Rapid risk assessment ndash emergencies

Qualitative RA ndash due to lack of data or lack of health concern

Quantitative RA ndash derivation of guidance value or full expression of probability of adverse health outcome at defined level of exposure

Dat

a an

d r

eso

urc

e n

eed

s

13

Hazard assessment

Biochemical data - Absorption distribution excretion metabolism effects on enzymes

Toxicological data ndash Acute short-term long-term toxicity amp carcinogenicity (mainly rats and

mice sometimes dogs) ndash Genotoxicity (in vitro and in vivo) ndash Reproductive and developmental toxicity (mainly rats) ndash Special studies (eg immunotoxicity cardiovascular effects thyroid

function)

Observations in humans

What are data

Independant of geographic origin

14

Exposure assessment

Food consumption data - Average high consumption different age groups

Occurrence data ndash Amount in food (raw processedhellip)

What are data

Country region dietary habit specific

15 |

Where do data come from

- Regulatory data submission by manufacturer

For compounds intentionally added to foods

- Data from governments

- Monitoring data epidemiological data research data

- Open scientific literature

- Experimental research human data

16 |

ADITDI

Level of health concern

Sources of exposure

Prioritization

Codex Alimentarius Commission

Toxicology amp Epidemiology

(WHO)

Chemistry Analytics (FAO)

JECFA

General procedure and interaction

FAOWHO

Secretariat to

schedule meetings

Call for data

Call for experts

Standards Recommendations

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 9: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

9

Hazard Assessment

Assessment Procedure Identification of critical endpointeffect and

critical studydata set ndash most sensitive species most sensitive endpoint of

relevance to humans most relevant epidemiological study

Dose-response analysis (Point of Departure) ndash NoLow Observed Adverse Effect Level (NLOAEL)

Benchmark Dose (BMD BMDL)

Identification of uncertainties assignment of uncertaintysafety factors

Outcome Health based guidance value (ADI TDI ARfD)

quantitative risk at specific exposure qualitative descriptor other guidance to risk manager (eg MOE)

10 |

ldquohellip the qualitative

andor quantitative

evaluation of the likely

intake of biological

chemical and physical

agents via food helliprdquo1

Dietary Exposure Assessment

1 The Codex Alimentarius Commissionrsquos (CAC) Procedural Manual (FAOWHO 2008a)

11 |

Dietary Exposure Assessment

Combining food consumption data with occurrence of chemical in food

Deterministic approach (point estimate)

Probabilistic approach (distribution)

Outcome ndash Estimated mean and high dietary exposures

ndash Identification of specific sub-groups

ndash Identification of key exposure sources

Reference httpwwwwhointfoodsafetychemjecfaenintake_guidelinespdf

12 |

Types of Risk Assessment

Rapid risk assessment ndash emergencies

Qualitative RA ndash due to lack of data or lack of health concern

Quantitative RA ndash derivation of guidance value or full expression of probability of adverse health outcome at defined level of exposure

Dat

a an

d r

eso

urc

e n

eed

s

13

Hazard assessment

Biochemical data - Absorption distribution excretion metabolism effects on enzymes

Toxicological data ndash Acute short-term long-term toxicity amp carcinogenicity (mainly rats and

mice sometimes dogs) ndash Genotoxicity (in vitro and in vivo) ndash Reproductive and developmental toxicity (mainly rats) ndash Special studies (eg immunotoxicity cardiovascular effects thyroid

function)

Observations in humans

What are data

Independant of geographic origin

14

Exposure assessment

Food consumption data - Average high consumption different age groups

Occurrence data ndash Amount in food (raw processedhellip)

What are data

Country region dietary habit specific

15 |

Where do data come from

- Regulatory data submission by manufacturer

For compounds intentionally added to foods

- Data from governments

- Monitoring data epidemiological data research data

- Open scientific literature

- Experimental research human data

16 |

ADITDI

Level of health concern

Sources of exposure

Prioritization

Codex Alimentarius Commission

Toxicology amp Epidemiology

(WHO)

Chemistry Analytics (FAO)

JECFA

General procedure and interaction

FAOWHO

Secretariat to

schedule meetings

Call for data

Call for experts

Standards Recommendations

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 10: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

10 |

ldquohellip the qualitative

andor quantitative

evaluation of the likely

intake of biological

chemical and physical

agents via food helliprdquo1

Dietary Exposure Assessment

1 The Codex Alimentarius Commissionrsquos (CAC) Procedural Manual (FAOWHO 2008a)

11 |

Dietary Exposure Assessment

Combining food consumption data with occurrence of chemical in food

Deterministic approach (point estimate)

Probabilistic approach (distribution)

Outcome ndash Estimated mean and high dietary exposures

ndash Identification of specific sub-groups

ndash Identification of key exposure sources

Reference httpwwwwhointfoodsafetychemjecfaenintake_guidelinespdf

12 |

Types of Risk Assessment

Rapid risk assessment ndash emergencies

Qualitative RA ndash due to lack of data or lack of health concern

Quantitative RA ndash derivation of guidance value or full expression of probability of adverse health outcome at defined level of exposure

Dat

a an

d r

eso

urc

e n

eed

s

13

Hazard assessment

Biochemical data - Absorption distribution excretion metabolism effects on enzymes

Toxicological data ndash Acute short-term long-term toxicity amp carcinogenicity (mainly rats and

mice sometimes dogs) ndash Genotoxicity (in vitro and in vivo) ndash Reproductive and developmental toxicity (mainly rats) ndash Special studies (eg immunotoxicity cardiovascular effects thyroid

function)

Observations in humans

What are data

Independant of geographic origin

14

Exposure assessment

Food consumption data - Average high consumption different age groups

Occurrence data ndash Amount in food (raw processedhellip)

What are data

Country region dietary habit specific

15 |

Where do data come from

- Regulatory data submission by manufacturer

For compounds intentionally added to foods

- Data from governments

- Monitoring data epidemiological data research data

- Open scientific literature

- Experimental research human data

16 |

ADITDI

Level of health concern

Sources of exposure

Prioritization

Codex Alimentarius Commission

Toxicology amp Epidemiology

(WHO)

Chemistry Analytics (FAO)

JECFA

General procedure and interaction

FAOWHO

Secretariat to

schedule meetings

Call for data

Call for experts

Standards Recommendations

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 11: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

11 |

Dietary Exposure Assessment

Combining food consumption data with occurrence of chemical in food

Deterministic approach (point estimate)

Probabilistic approach (distribution)

Outcome ndash Estimated mean and high dietary exposures

ndash Identification of specific sub-groups

ndash Identification of key exposure sources

Reference httpwwwwhointfoodsafetychemjecfaenintake_guidelinespdf

12 |

Types of Risk Assessment

Rapid risk assessment ndash emergencies

Qualitative RA ndash due to lack of data or lack of health concern

Quantitative RA ndash derivation of guidance value or full expression of probability of adverse health outcome at defined level of exposure

Dat

a an

d r

eso

urc

e n

eed

s

13

Hazard assessment

Biochemical data - Absorption distribution excretion metabolism effects on enzymes

Toxicological data ndash Acute short-term long-term toxicity amp carcinogenicity (mainly rats and

mice sometimes dogs) ndash Genotoxicity (in vitro and in vivo) ndash Reproductive and developmental toxicity (mainly rats) ndash Special studies (eg immunotoxicity cardiovascular effects thyroid

function)

Observations in humans

What are data

Independant of geographic origin

14

Exposure assessment

Food consumption data - Average high consumption different age groups

Occurrence data ndash Amount in food (raw processedhellip)

What are data

Country region dietary habit specific

15 |

Where do data come from

- Regulatory data submission by manufacturer

For compounds intentionally added to foods

- Data from governments

- Monitoring data epidemiological data research data

- Open scientific literature

- Experimental research human data

16 |

ADITDI

Level of health concern

Sources of exposure

Prioritization

Codex Alimentarius Commission

Toxicology amp Epidemiology

(WHO)

Chemistry Analytics (FAO)

JECFA

General procedure and interaction

FAOWHO

Secretariat to

schedule meetings

Call for data

Call for experts

Standards Recommendations

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 12: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

12 |

Types of Risk Assessment

Rapid risk assessment ndash emergencies

Qualitative RA ndash due to lack of data or lack of health concern

Quantitative RA ndash derivation of guidance value or full expression of probability of adverse health outcome at defined level of exposure

Dat

a an

d r

eso

urc

e n

eed

s

13

Hazard assessment

Biochemical data - Absorption distribution excretion metabolism effects on enzymes

Toxicological data ndash Acute short-term long-term toxicity amp carcinogenicity (mainly rats and

mice sometimes dogs) ndash Genotoxicity (in vitro and in vivo) ndash Reproductive and developmental toxicity (mainly rats) ndash Special studies (eg immunotoxicity cardiovascular effects thyroid

function)

Observations in humans

What are data

Independant of geographic origin

14

Exposure assessment

Food consumption data - Average high consumption different age groups

Occurrence data ndash Amount in food (raw processedhellip)

What are data

Country region dietary habit specific

15 |

Where do data come from

- Regulatory data submission by manufacturer

For compounds intentionally added to foods

- Data from governments

- Monitoring data epidemiological data research data

- Open scientific literature

- Experimental research human data

16 |

ADITDI

Level of health concern

Sources of exposure

Prioritization

Codex Alimentarius Commission

Toxicology amp Epidemiology

(WHO)

Chemistry Analytics (FAO)

JECFA

General procedure and interaction

FAOWHO

Secretariat to

schedule meetings

Call for data

Call for experts

Standards Recommendations

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 13: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

13

Hazard assessment

Biochemical data - Absorption distribution excretion metabolism effects on enzymes

Toxicological data ndash Acute short-term long-term toxicity amp carcinogenicity (mainly rats and

mice sometimes dogs) ndash Genotoxicity (in vitro and in vivo) ndash Reproductive and developmental toxicity (mainly rats) ndash Special studies (eg immunotoxicity cardiovascular effects thyroid

function)

Observations in humans

What are data

Independant of geographic origin

14

Exposure assessment

Food consumption data - Average high consumption different age groups

Occurrence data ndash Amount in food (raw processedhellip)

What are data

Country region dietary habit specific

15 |

Where do data come from

- Regulatory data submission by manufacturer

For compounds intentionally added to foods

- Data from governments

- Monitoring data epidemiological data research data

- Open scientific literature

- Experimental research human data

16 |

ADITDI

Level of health concern

Sources of exposure

Prioritization

Codex Alimentarius Commission

Toxicology amp Epidemiology

(WHO)

Chemistry Analytics (FAO)

JECFA

General procedure and interaction

FAOWHO

Secretariat to

schedule meetings

Call for data

Call for experts

Standards Recommendations

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 14: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

14

Exposure assessment

Food consumption data - Average high consumption different age groups

Occurrence data ndash Amount in food (raw processedhellip)

What are data

Country region dietary habit specific

15 |

Where do data come from

- Regulatory data submission by manufacturer

For compounds intentionally added to foods

- Data from governments

- Monitoring data epidemiological data research data

- Open scientific literature

- Experimental research human data

16 |

ADITDI

Level of health concern

Sources of exposure

Prioritization

Codex Alimentarius Commission

Toxicology amp Epidemiology

(WHO)

Chemistry Analytics (FAO)

JECFA

General procedure and interaction

FAOWHO

Secretariat to

schedule meetings

Call for data

Call for experts

Standards Recommendations

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 15: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

15 |

Where do data come from

- Regulatory data submission by manufacturer

For compounds intentionally added to foods

- Data from governments

- Monitoring data epidemiological data research data

- Open scientific literature

- Experimental research human data

16 |

ADITDI

Level of health concern

Sources of exposure

Prioritization

Codex Alimentarius Commission

Toxicology amp Epidemiology

(WHO)

Chemistry Analytics (FAO)

JECFA

General procedure and interaction

FAOWHO

Secretariat to

schedule meetings

Call for data

Call for experts

Standards Recommendations

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 16: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

16 |

ADITDI

Level of health concern

Sources of exposure

Prioritization

Codex Alimentarius Commission

Toxicology amp Epidemiology

(WHO)

Chemistry Analytics (FAO)

JECFA

General procedure and interaction

FAOWHO

Secretariat to

schedule meetings

Call for data

Call for experts

Standards Recommendations

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 17: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

17 |

Scientific advice work feeds into

Codex standard setting process

Nationalregional risk assessments and food legislation

WHO programmes

ndash INFOSAN ndash rapid risk assessment information notes

ndash drinking water guidelines

ndash WHOPES (public health use of pesticides)

ndash Childrens environmental health

ndash Global Alert and Response

International RA method development and harmonization

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 18: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

Principles and Methods

EHC 240 Principles and methods for the risk assessment of chemicals in food WHO 2009

Risk assessment guidance for all food chemicals

Guidance on interpretation of studies and general assessments

Descriptive guidance not prescriptive

Electronic publication in individual chapters ndash for update

httpwwwwhointfoodsafetychemprinciplesenindex1html

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 19: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

WHO databases httpwwwwhointfoodsafetydatabasesen

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 20: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

JECFA and JMPR databases

httpappswhointfood-additives-contaminants-jecfa-databasesearchaspx

httpappswhointpesticide-residues-jmpr-database

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 21: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

JECFA and JMPR databases - FAO

httpwwwfaoorgfoodfood-safety-qualityscientific-advicejecfaen

httpwwwfaoorgagriculturecropsthematic-sitemapthemepestslpeen

22 |

Thank you

Question

Page 22: Risk Assessment in Chemical Food Safety · Combining food consumption data with occurrence of chemical in food Deterministic approach (point estimate) Probabilistic approach (distribution)

22 |

Thank you

Question


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