What isWhat is BENZENEBENZENE????

A particular black flowerA typical medieval armAn aromatic compound An australian insectAn aromatic herb

IT IS IT IS WRONG!!!!!WRONG!!!!!

IT IS RIGHT!!!!!IT IS RIGHT!!!!!

Monitoring of Benzene in working Monitoring of Benzene in working situations and personal dosage of situations and personal dosage of

absorptionabsorption

I.I.S. “A. Cesaris” Casalpusterlengo (LO)

Monitored subjects and Monitored subjects and environmentsenvironments

Local police Executive secretary Teacher Child Retired person Cashier at the

motorway Petrol station worker Nurse

Truck driver Student Heating plants

installer Bar Via Emilia Traffic lights School Cigarette

I.I.S. “A. Cesaris” Casalpusterlengo (LO)

Motorway cashier

Executive secretary

Via Emilia (open) Via Emilia (close)

Petrol station worker Child

School Teacher

Monitoring methodMonitoring method To find the

quantity of absorbed benzene we used a device called

RADIELLO

RADIELLO

I.I.S. “A. Cesaris” Casalpusterlengo (LO)

Structure of RADIELLOStructure of RADIELLO

1. Diffusive body2. Absorbing

cartridge 3. Adaptor4. Support plate

I.I.S. “A. Cesaris” Casalpusterlengo (LO)

Method of analysis

Monitoring for 24 h

Benzene extraction with a solvent (Carbon sulphide)

Gascromatografic analysis

ResultsResults

Location Benzene ( g/m3 )

School 6.51

Bar 9.77

Via Emilia (open) 9.84

Via Emilia (traffic light)

29.67

Lorry 12.62

Cigarette 12,04 g (massa totale)

Executive Secretary 12.93

Teacher 5.42

Child 6.18

Retired person 12.01

Petrol station worker 66.3

Cashier at the motorway 16.11

Nurse 17.29

Local policeman 11.06

Heating plants installer 12.07

Student 7.2

Risultati Risultati (continuazione)(continuazione)

Soggetto Benzene ( g/m3 )

ConclusionsConclusions

•The results that we have had, are as we expected:

•High absorption by some subjects, higher than the maximun permitted,

•High concentration in locations with a lot of traffic,

•Concentration lower than the limit in subjects who work in locations poor of benzene.