Ozone Profile 2016

Ozone Research & Applications (India) Pvt. Ltd. (ORAIPL)

Nagpur, Maharashtra

SAVE THE EARTH FOR GENERATIONS TO FOLLOW…

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“Water is the driving force of all nature.”

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WHO ARE WE?

• We started in 1996 with the manufacturing and trading of water treatment

chemical – Sodium Hypochlorite

• Ozone came into the picture in 1998 and the company was established as “M/s

Ozone India”

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Ozone India”

• In 2002, Ozone Research and Applications India Private Limited (ORAIPL)

announced itself in the country as the ORIGINAL EQUIPMENT MANUFACTURERS

OF OZONE GENERATORS with the aim of providing environmental solutions to the

world with ozone and has never looked back since…

“ When the well is dry, we learn the worth of water.”

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SERVICES OFFERED

• Laboratory Testing

• Treatability Studies with all AOP combinations

• Bench Scale Experiment

• Setups Up to 15-20 Liters

• Pilot Testing

• AOP Reactors (60 -1000 Liters) • AOP Reactors (60 -1000 Liters)

• Process Testing On Site

• Engineering Support

• Design and Integration

• Application Consulting

• Process Selection

• Equipment Servicing

• After Sales

ORAIPL Group Of Companies

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“Every drop in the ocean counts.”

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WHERE ARE WE LOCATED?

H.O.: 902, ‘Ozone House’, Khare Town, Dharampeth,

Nagpur-440010

Ph. No. 0712-2551055

Works: C-75, MIDC Industrial Area, Hingna, Nagpur-440028

Ph. No. 07104-235783

“By means of water, we give life to everything.”ORAIPL Group Of Companies

GROUP COMPANIES

• Ozone Research & Applications (I) Pvt. Ltd. – ORAIPL (Parent Company)

• Omniscient Treatment Technologies Pvt. Ltd. – OTTPL (Sister Firm)

• Green Agro Biosolids India Pvt. Ltd. – GABIPL (Sister Firm)


CERTIFICATIONS


MANAGEMENT PROFILE• Mr. Vishal Waindeskar: Director

• He qualified as a B.Tech in Chemical Engineering; one of the founders of ORAIPL with 20 years of

experience in water and wastewater treatment specializing in ozone technology. His curiosity and

perseverance to look for innovative solutions has brought the company to where it stands today.

• Mr. Rajesh Admane: Director

• He is an expert in Petrochemical Engineering and is one of the visionaries behind the emergence

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ORAIPL. With an experience of 20 years in water treatment field, he forms a pillar of the ORAIPL

group.

• Mr. Vaibhav Gupte: Executive Director

• He is B.E in Electronics Engineering and has been leading the technical think-tank of our product

and operations since the beginning.

• Mr. Shailesh Gaidhane: Executive Director

• Mechanical Engineer with expertise in designing and commissioning of ozonisation systems since

15 years.

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OUR VISION

•To achieve constant growth, operational excellence and

customer satisfaction

•To develop new and innovative solutions for our

customers

•To pursue market share and revenue growth through

strategic tie ups that expand our product offering and

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strategic tie ups that expand our product offering and

enhance competitiveness

•To cater to all environment related problems and

provide our best in strategizing a scheme to save the

earth.

“Filthy water cannot be washed.”

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OUR STRENGTHS • ORAIPL has been manufacturing ozone generators in

technical collaboration with M/s. Kaufmann

Umwelttechnik.

• M/s. Kaufmann Umwelttechnik, located in Germany was

established in 1982 and has operations worldwide.

• Well known organizations around the globe trust

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Kaufmann system with respect to ozone technology.

• ORAIPL also has a strategic alliance with Toshiba ,Japan.

• With a total workforce of 100 + employees, we have the

potential to execute any volume of project with ease.

• Registered in Govt. Organizations viz MAHAGENCO, BHEL,

Indian Railways , Ordnance Factories, Ministry Of Health,

CPWD, BARC, etc.

“Thousands have lived without love, not one without water.”

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TECHNICAL STRENGTHS

Design & Engineering Department – 5

Engineers


TECHNICAL STRENGTHS

Production Department – 5 Engineers, 10

Technicians


TECHNICAL STRENGTHS

Research & Development Department –

3 Chemists•Ozone Research and Applications (I) Pvt. Ltd. has

an in-house R & D wing at its disposal headed by

the company’s Director himself Mr. Vishal

Waindeskar.

The Lab facility is well equipped with all the•The Lab facility is well equipped with all the

instruments and chemicals needed to carry out

treatability studies in various effluents.

•The Research Team comprises of Post Graduates

in Chemistry, Environmental Sciences etc.

•The R & D team is on a constant pursuit to come

up with innovative and cost effective solutions for

treating all sorts of wastewaters.


TECHNICAL STRENGTHS

Purchase & Stores Department – 4


TECHNICAL STRENGTHS

Operation & Maintenance Department– 9

Engineers & 15 Technicians


PIPING & INSTRUMENTATION DRAWING


DOCUMENT LIST FOR AN IDEAL OZONE

GENERATION PLANT1. PIPING & INSTRUMENTATION DIAGRAM

2. PROCESS DESIGN BASIS AN SIZING CALCULATION

3. EQUIPMENT LAYOUT

4. SUB VENDOR LIST & INSPECTION CRITERIA

5. CONTROL PHILOSOPHY WITH PLC SYSTEM CONFIGURATION DIAGRAM

6. CIVIL ASSIGNMENT DRAWING

7. ELECTRICAL LOAD LIST

16. QAP FOR COMPRESSORS MOTOR

17. DATA SHEET FOR INSTRUMENTS AND ANALYSER ALONG WITH INSTRUMENT HOOK UP DRAWING

18. DATASHEET & GA OF OZONE GENERATOR MODULE

19. QAP OF OZONE GENERATOR MODULE

20. GA OF ATMOSPHERIC TANKS

21. GA OF PRESSURE VESSELS

DIAGRAM, PLC CONTROL SCHEMES (BLOCK LOGIC), CONTROL DESK LAYOUT / GA DRAWING, PLC HEAT DISSIPATION DATA ALONG WITH PROCESS GRAPHIC MANUSCRIPTS, PANEL & ELECTRONIC EARTHING REQUIREMENT, PLC CATALOGUE, PLC OWS/PRINTER FURNITURE BOM

29. QAP AND FAT PROCEDURE FOR PLC

30. CABLE TRAY LAYOUT

31. DESIGN CALCULATION AND DATASHEET OF 7. ELECTRICAL LOAD LIST

8. PIPING LAYOUT

9. DATASHEET & SLD FOR UPS, UPS SIZING CALCULATIONS, BATTERY SIZING CALCULATIONS

10. TECHNICAL DATA SHEET OF HORIZONTAL PUMPS

11. TECHNICAL DATA SHEET OF COMPRESSORS

12. GA & DATA SHEET OF MOTORS

13. QAP FOR HORIZONTAL PUMPS WITH MOTOR

14. QAP FOR PUMP MOTOR

15. QAP FOR COMPRESSORS WITH MOTOR

21. GA OF PRESSURE VESSELS

22. MECHANICAL DATASHEET WITH THICKNESS CALCULATION FOR AIR DRIER, OXYGEN GENERATOR, AIR RECEIVER, OXYGEN RECEIVER, MOISTURE SEPERATOR AND VENTURI INJECTOR

23. MECHANICAL DATASHEET FOR CHILLER

24. MECHANICAL DATASHEET & GA FOR STRAINERS & VALVES

25. QAP FOR VALVES

26. INSTRUMENT SCHEDULE

27. VALVE SCHEDULE

28. PLC DOCUMENTS , GA & WIRING DETAILS OF PLC PANEL, I/O LIST, BOM, MIMIC

31. DESIGN CALCULATION AND DATASHEET OF VENTILATION FANS.

32. CABLE SCHEDULE, SUBMISSION OF CABLE INTERCONNECTION DIAGRAM ALONG WITH FIELD JUNCTION BOX TERMINATIONS

33. PAINTING SCHEDULE

34. ENGINEERING BOQ

35. PG TEST PROCEDURE


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“We have the ability to provide clean water for every man, woman and child on the

Earth. What has been lacking is the collective will to accomplish this. What are we

waiting for? This is the commitment we need to make to the world, now.” » Jean-Michel

Cousteau

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COOLING TOWERS AND POWER SECTOR

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{Water is} the one substance from which the earth can conceal nothing; it

sucks out its innermost secrets and brings them to our very lips.

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In Thermal Power Plants (Coal or Nuclear Based) where water is used as a working fluid; the low

pressure and low temperature steam is converted into liquid state for further operation. The condenser

which is basically a heat exchanger requires cooling water to condense the incoming steam. Hence, a

cooling tower becomes an auxiliary which circulates cooling water in the condenser. Due to the

continuous recirculation of water in the condenser, the following problems are observed:

• Corrosion of Pipes and Heat Exchanger Units

• Scaling in Condenser Pipes

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• Due to scaling and biofilm formation, heat transfer rates are affected.

• Due to continuous deterioration of cooling water, more make up water is

required and blow downs are increased; subsequently reducing the Cycles

of Concentration (CoC).

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BENEFITS OF USING OZONE

Typical Problems

•Reduction in blow down rates due to improvement in the quality of the water under

recirculation.

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recirculation.

•Since ozone oxidizes the biofilm which serves as a binding agent adhering scale to heat

exchanger units; scale buildup is reduced and higher heat transfer rates are achieved.

•Due to lesser blow down rates, make up water requirement is reduced which leads to

financial savings.

•Requirement of chemicals for anti scaling and bio-fouling control are either reduced or

eliminated after a few months.

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OUR PROMINENT INSTALLATIONS:• Khaparkheda Thermal Power Station : 6 kg/hr Ozonisation System (YOI: 2006)

• Indorama Synthetics: 40 g/hr Ozonisation System(YOI: 2008)

• Paras Thermal Power Station: 8kg/hr Ozonisation System( YOI: 2008)

• Paras Thermal Power Station (Raw Water): 2 kg/hr Ozonisation System (YOI: 2008)

• Khaparkheda Thermal Power Station (Raw Water): 2 kg/hr Ozonisation System (YOI: 2008)

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• Parli Thermal Power Station: 12 kg/hr Ozonisation System (YOI: 2009)

• Parli Thermal Power Station (Raw Water): 1.1 kg/hr Ozonisation System (YOI: 2009)

• Parli Thermal Power Station Unit II: 12 kg/hr Ozonisation System (YOI: 2010)

• Paras Thermal Power Station Unit II: 8 kg/hr Ozonisation System (YOI: 2013)

• Khaparkheda Thermal Power Station Unit II: 13kg/hr Ozonisation System (YOI: 2015)

• AIIMS, Bhubhaneshwar: 800 g/hr Ozonisation System (Under Execution)

• Karnataka Power Corporation Limited (in association with BHEL), Bellary: 20 kg/hr Ozonisation Plant (Under Execution)

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SCADA OPERATED INSTALLATIONS AT

KHAPARKHEDA & PARAS THERMAL POWER

PLANTS

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DRINKING WATER

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Between earth and earth's atmosphere, the amount of water remains

constant; there is never a drop more, never a drop less. This is a story of

circular infinity, of a planet birthing itself.

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WHO estimates that, in India, about 38 million people are affected by waterborne diseases each year, of which

over 75% are children; 780,000 deaths are attributable to contaminated water and more than 400,000 can be

attributed to diarrhea alone. India ranks a dismal low 120th out of 122 nations for its water quality and 133rd

out of 180 nations for its water availability. Keeping in mind the above points; following problems are commonly

faced by our current drinking water facilities:

• Traces of inorganic contaminants(As, Cr, Mn, Fe, etc)

• DBP formation due to Chlorine (THM, HAA, etc)

• Traces of organic contaminants

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• Traces of organic contaminants

• Endocrine disruptors ( DDT, Oxybenzone, Atrazine, etc)

• Tastes and odours

• Improper Disinfection( Presence of E. Coli, Cryptosporidium, Salmonella,

Streptococci etc)

• Color

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BENEFITS OF OZONE IN DRINKING WATER

• Pre-Treatment using Ozone does the following:-

• Remove pathogens thus reducing challenges at final

disinfection especially Cryptosporidium which is highly

resistant to chlorination

• Make the water more responsive to final disinfection by

reducing chlorine demand and removing constituents of TOC-

turbidity, color, DOC, endocrine disruptors.

• Reduce the probability of THM by-product formation by

removing precursors to its formation in the initial stage itself.


OUR PROMINENT INSTALLATIONS• Khaparkheda Thermal Power Staion: 150g/hr and 40 g/hr Ozonisation System (YOI: 1999)

• Manikgadh Cement: 120 g/hr Ozonisation System (YOI: 1999)

• Maharashtra Industrial Development Corporation, Jalgaon: 1600 g/hr Ozonisation System (YOI:

2002)

• MIDC, Kherdi Chiplun: 120 g/hr Ozonisation System (YOI: 2000)

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• MIDC, Kherdi Chiplun: 120 g/hr Ozonisation System (YOI: 2000)

• CPWD (Navegaon, Aurangabad, Amravati, Washim, Silchur): 10 g/hr Ozonsation Systems

• Chandrapur Thermal Power Station : 650 g/hr Ozonisation System (YOI: 2005)

• Ordnance Factory, Bhandara: 2 kg/hr Ozonisation System (YOI: 2015)

• Thavkar Aqua, Kingfisher, Bhartia Aqua (Packaged Drinking Water) e.t.c: Different Variants &

many more.

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OZONATION PLANT AT ORDNANCE

FACTORY, BHANDARA

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LAKE REMEDIATION AND RIVER

DISINFECTION

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Wetlands have a poor public image. . . Yet they are among the earth's

greatest natural assets. . . mankind's waterlogged wealth.

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Lakes are suffering from different stress factors and need to be restored using different approaches. The eutrophication

remains as the main water quality management problem for inland waters: both lakes and reservoirs. The way to curb

the degradation is to stop the nutrient sources and to accelerate the restoration with help of in-lake technologies.

Especially lakes with a long retention time need (eco-) technological help to decrease the nutrient content in the free

water. The microbial and other organic matter from sewage and other autochthonous biomasses causes oxygen

depletion, which has many adverse effects. In less developed countries big reservoirs function as sewage treatment

plants. Natural aeration solves problems only partly and many pollutants tend to accumulate in the sediments. Problems

that arise at urban lakes:

• Increased pH levels due to the photosynthesis carried out by algae.

• Greenish Appearance due to algal bloom

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• Greenish Appearance due to algal bloom

• Reduced Dissolved Oxygen Levels with subsequent increase in BOD

• High Values of COD due to inflows of untreated sewage

• High Nutrient loading leading to algal bloom

• Presence of Total Coliform

• Unaesthetic Appearance

• Odor Issues

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REVIVAL JOBS TAKEN BY US:

• Ozonisation of the Holy Sarovar at Golden Temple Amritsar: 1.6 kg/hr Ozonisation System

(YOI:2005)

• Ozonisation of Holy Shivganga Pond at Deoghar: 3 kg/hr Ozonisation System (Under

Execution)

• River Disinfection at Ujjain Mahakumbh 2016 (Containerized Ozone System)

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MEDIA ATTENTION



FIRST OF ITS KIND


PRIME MINISTER TWEETS


WASTE WATER TREATMENT (ETPS & STPS)

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Water is the most critical resource issue of our lifetime and our children's

lifetime.

The health of our waters is the principal measure of how we live on the

land.

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Industrial wastewater from different processing industries contains toxic

chemicals which may lead to reduction in the number of aquatic species or

complete destruction of aquatic life in extreme cases. Some chemicals also lead

to bioaccumulation, i.e. they become more concentrated as they move up the

food chain, posing toxicity problems even at very low concentrations. The effects

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food chain, posing toxicity problems even at very low concentrations. The effects

of some of the chemicals on human health include increased risk of cancer,

neurological or reproductive effects and even mortality. Same is the case with

sewage discharge which contain many toxic chemicals and medicinal waste today;

and are contaminating our water bodies.

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Key Industries addressed via ozone are Textile, Pulp and Paper, Pharmaceutical, Dye, Cosmetics, Sugar, Tannery, Chemical, Oil,

Polymer, CETPs and many more. Ozone can help in addressing the following issues at all ETPs and STPs:

• Color Removal

• Recalcitrant COD removal

• Improvement of Biological Index (BOD/COD ratio) prior to biological treatment

• Cyanide and Phenol Oxidation/Destruction

• Ammonia and Nitrite Oxidation

• Sludge Reduction

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• Sludge Reduction

• Heavy Metal Removal

• Disinfection

• Odor Removal

• Sewage Reuse

• Hydrogen Sulphide Removal

• STP Exhaust

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OUR LATEST INSTALLATION AT FOREST

COUNTY, PUNE

• 400 KLD STP Reuse Plant At

Kharadi, Pune


Kharadi, Pune

• 160 g/hr * 2 Ozone

Generator System for

disinfection and odor

removal.

ORAIPL’S RESEARCH ON VARIOUS

EFFLUENTS

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The R & D Department headed by Mr. Vishal Waindeskar is on a constant

pursuit to give efficient and economical solutions to our clients.

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SWIMMING POOLS

The water in public swimming pools

contains microorganisms and unwanted substances,

which come from the skin and excretion products of

swimmers. Swimmers cause many pollutants to enter

the pool water, such as bacteria from saliva, excretion

products, pollution from swimwear, skin tissue, sebum,

sweat, nose and throat saliva, hairs, cosmetics

and ammonia (NH ). Aiming for clean swimming pool

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and ammonia (NH3). Aiming for clean swimming pool

water through constant refreshment is often too

expensive. Also, this does not solve the problem of

pollutants that remain on swimming pool walls. The

water is recycled, causing pollutant and pathogen

concentrations to increase. Microorganisms will

multiply and this increases the risks of contagious

diseases.

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Disadvantages of using Chlorine:

Swimming pool water contains dissolved pollutants, such as urine and sweat and other

excretion products of swimmers. Sweat and urine largely consist of water, ammonia and

urea. The components of sweat and urine are not harmful for human health. However,

when these products react with disinfectants in the water, such as chlorine, unwanted

reaction products can be formed which consist mainly of chloramines. Also chlorine is

ineffective against many bacteria, viruses and parasitic protozoa.

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Benefits of Using Ozone:

• Purification

• No Chemical Buildup

• Clean and Appealing Water

• Constant Shocking Of Pool

• Increased Filter Efficiencies

Ozone Research and Applications (India) Pvt.

Ltd. has had numerous installations in this

sector. ORAIPL was selected in ‘Global Tender’

for swimming pool disinfection at 2012

Commonwealth Games, New Delhi. Our other

esteemed clients include IIT Powai, Mumbai

Cricket Association, Sports Complex Balewadi,

Hotel Radisson Blu and many more.

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OTHER FIELDS OF WORK

• Ozonolysis

• Advanced Oxidation Processes

• Aquaculture and Aquariums

• Fruits and Vegetables Washing (Onion Disinfection at Jain Irrigation Systems, Vegetable Washing at

Dinshaw’s etc )

• Air Treatment (Packaging, Indoor Air Treatment, Exhaust Treatment, Process Air Disinfection etc)

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• Air Treatment (Packaging, Indoor Air Treatment, Exhaust Treatment, Process Air Disinfection etc)

• Process Water (Installations for Mylan, BHEL, NALCO, Western Hill Foods, Godrej etc.)

• Grain Storage

• Clean In Place Systems

• Bleaching Operations

• Desilting of Lakes

• Boom Barriers for Floating Litter

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ORAIPL MAKING STRIDES IN ADVANCED

OXIDATION PROCESSES

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ORAIPL’S FIRST INSTALLATION IN AOP (CETP,

ANKLESHWAR)

• ORAIPL won its first project in Advanced Oxidation Process in the pre-treatment fora CETP for Agro-waste at Ankleshwar via Detox Corporation.

• The CETP was designed to work on Multiple Effect Evaporators, however thecondensate from the MEE contains high recalcitrant COD which is difficult todegrade by biological means since the Biodegradability Index in such waters aredegrade by biological means since the Biodegradability Index in such waters arevery low and also there might be some inherent toxicity to the biological florawhich might reduce their efficiency of BOD/COD reduction.

• Catalytic Ozonation (Ozone + Hydrogen Peroxide) was given a shot at thecondensate sample and the results achieved were highly favorable.

• After the AOP Treatment, there was an instant increase in the biodegradabilityfirstly due to the conversion of COD to BOD and secondly due to the reduction intoxicity in the effluent.


AOP RESULTS FOR THE ANKLESHWAR CETP

MEE CONDENSATE

Sr. No. Time (in minutes) BOD COD BI

1. 0 (RAW SAMPLE) 674 3427 0.18

2. 30 Minutes (Peroxone

Treated)

1060 2880 0.36

3. 45 Minutes (Peroxone 1698 2880 0.583. 45 Minutes (Peroxone

Treated)

1698 2880 0.58


Treated)

1125 3072 0.36


Treated)

1097 2880 0.38


Treated)

1141 2784 0.40


PURCHASE ORDER FOR CATALYTIC OZONATION

AT ANKLESHWAR CETP


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“No poems can please for long or live that are written by water

drinkers.”

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WELCOME TO THE WORLD OF OZONE

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Discovered by Christian Friedrich Schonbein in 1840

“The wars of the twenty-first century will be fought over water.”

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INSTALLATIONS OF OZONATORS AROUND

THE WORLD

• The first ozonation plant for Drinking Water Treatment was installed in the year

1906 at Nice, France.

• This technology is widely used in Europe and North America.

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• This technology is widely used in Europe and North America.

• There have been around 600+ installations only in the drinking water sector that

too till the year 2006 and numerous more in different applications.

• So we are certainly not the first ones to give this technology a shot which has been

giving excellent results since a century now.

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NOTEWORTHY FACTS ABOUT OZONE

• Soluble in water (At 20 deg Celsius, 570 mg/L).

• Known as Activated Oxygen

• Short Half- Life

• Peak absorption in the UV spectrum is 255.3 nm which protects us from the UV-C radiation

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• Peak absorption in the UV spectrum is 255.3 nm which protects us from the UV-C radiation

from the sun.( Ozone layer protects us from UV rays of the sun via this property.)

• Effective as a disinfectant and sterilizing agent.

• The second most powerful oxidant after Fluorine with an oxidation potential of 2.07 V.

• 3000 times stronger as a disinfectant with respect to chlorine.

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OZONE PRODUCTION

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• Although being an endothermic reaction, the ozone generation system still needs a

chilling system mainly due to the high amount of heat generated during corona

discharge.

• Reaction is reversible due to highly unstable nature of ozone

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METHODS OF PRODUCTION OF OZONE

• Natural

• Lightning.

• Solar radiation. {Ultraviolet wavelengths A, B, & C}

• Photochemical Smog in large cities.

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• Man-made methods

• Corona Discharge

• Ultraviolet Radiation(Absorption of light energy by O2)

• Electrolysis(Passing electricity through an electrolyte(mostly water) for direct diffusion)

• Radiochemical (High energy irradiation of oxygen by radioactive rays; not recommended

due to difficult handling of harmful isotopes)

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CORONA DISCHARGE

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OZONE PRODUCTION VIA PSA

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THE OZONE ELECTRODE

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OZONE DOSING METHOD


WHY OZONE IN WATER TREATMENT?

Ozone’s properties provide multiple benefits in water treatment:-

• Oxidation

• COD/TOC

• Increased DO so that no anaerobic condition is generated

• Fe/Mn

• Hydrogen Sulfide

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• Hydrogen Sulfide

• Taste and Odor

• Color

• Specific Chemicals (Endocrine Disruptors etc)

• Disinfection

• Bacteria/Biofilms( The subsequent inability to divide and form colonies.)

• Virus(The inability of the microorganism to form plaques in host cell.)

• Parasites ( The inability to replicate.)

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BENEFITS OF OZONE DUE TO ITS MICRO-

FLOCCULATION EFFECT

• Effect on Flocculation

• Less chemical coagulant

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• Lower solids handling

• Lower turbidity and particles

• Longer Run Time

• Less Backwashing

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MECHANISM OF DISINFECTION

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OZONE APPLICATIONS FOR WASTE WATER

Ozone

Improvement of effluent

• Disinfection

• Oxidation of persistent substances

( e.g. endocrine substances …..)

• COD – reduction

• Decoloration

3

Exhaust air

• H2S

• Odour control

4Waste water inlet

Pretreatment with ozone

• Miscellization effect

• Reduction of sedimentation

tank area

• Improvement in biological

efficiency & dissolved oxygen

• Decoloration or degradation of

biologically toxic substances)

1


Existing treatment technologies

Pretreatment Biolog step Clarifier

Ozone

Ozo

ne

DischargeInlet

• Decoloration

• Sludge reduction

• Foam reduction

• Improvement of dewatering

2Sludge

OZONE REACTION CHAMBER

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We thank you for taking out time to go through our work. For more information,

please visit our website at www.oraipl.com.

For any queries email us at [email protected] ,

[email protected], [email protected].

Contact us at 0712-2551055, 2528262, 07104-235783

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Date post:	13-Apr-2017
Category:	Documents
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Ozone Profile 2016

Documents