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The Board has established the laboratories in 3 tier system to assist as followes.

1. Advance Envoirnmental laboratories (3nos)
2. District Envoirnmental laboratories (10nos)
3. Mobile Envoirnmental laboratores (1no)

The Board in the enforcement of the provisions of Water (Prevention and Control of Pollution) Act, 1974 as amended in 1978 and Air (Prevention and Control of Pollution) Act, 1981 as amended in 1987 respectively.

LABORATORY STRUCTURE

Laboratory Branch is headed by Two Deputy Director (Labs) , who are assisted by the Scientific Officers at different levels.

ADVANCED ENVIRONMENTAL LABORATORY

ADDRESS :

CHENNAI :

76, Mount Salai . Guindy,
Chennai-600 032.

SALEM :

Siva Tower, 1/276, Meyyanur Main Road, Salem-636004.

MADURAI :

Survey No. 668 & 669,
Sidco Indl. Estate,
Kappalur,
Thirumangalam Taluk, Madurai-625 008.

ANALYTICAL METHODS:

SI.No	PARAMETER	METHOD OF ANALYSIS
1	Colour	Colour Comparator
2	Thrbidity	Nephlometer
3	Conductivity	Conductivity Meter
4	pH	pH Meter
5	Temperature	Thermometer
6	Particle Size of total suspended solids	Wet Screening-passed through 850 micron sieve
7	Total suspended solids	Gravimetric method (filtration drying)
8	Total Disolved solids	Gravimetric method b(filtration drying)
9	Chlorides	Argentmetric Method
10	Sulphides	Titration Method
11	Sulphate	Gravimetric method/Turbidimetric method
12	Oil & Grease	Partition Gravimetric method
13	B.O.D – 3 days at 27 C	Dilution Method
14	C.O.D.	Dichromate Reflux Method
15	Fluorides	SPADNS Method/Ion Selective Electrode Method
16	Ammonical Nitrogen	Distillation and Titration Method
17	Copper	Atomic Absorption Spectrometric Method
18	Zinc	Atomic Absorption Spectrometric Method
19	Cadmium	Atomic Absorption Spectrometric Method
20	Lead	Atomic Absorption Spectrometric Method
21	Nickel	Atomic Absorption Spectrometric Method
22	Cobalt	Atomic Absorption Spectrometric Method
23	Manganese	Atomic Absorption Spectrometric Method
24	Vanadium	Atomic Absorption Spectrometric Method
25	Titanium	Atomic Absorption Spectrometric Method
26	Phenolic Compounds	Chloroform Extraction Method
27	Boron	Curcumine/Carmine Method
28	Total Residual Chlorine	Iodometric method
29	Arsenic	Silver Diethy 1 dithio-Carbomate Method
30	Hexavalent Chromium	Diphenyl Carbazide Method
31	Total Chromium	Diphenyl Carbazide Method
32	Cyanides	Pyridine-Barbituric Method
33	Mercury (Total)	Code Vapour Technique
34	Phoshates (Total)	Ascorbic Acid Method
35	Total Kjeldhl Nitrogen	Distillation & Titration
36	Total Iron	1,10 photometer
37	Sodium and Potassium	Flame P hotometer
38	Total Hardness	EDTA-Titrimetric Method
39	Total Acidity	Titration Method
40	Total Alkalinity	Titration Method
41	Total Organic Carbon	TOC Analyser
42	Vanadium	Atomic Absorption Spectrometric Method
43	Titanium	Atomic Absorption Spectrometric Method
44	AOX	AOX Analyzer
45	Calcium	EDTA - Titration Method

ANALYTICAL METHODS FOR AIR POLLUTANTS

Sl.No	PARAMETER	METHOD OF ANALYSIS
1	Suspended particulate matter	Gravimetric
2	Respirable particulate matter	Gravimetric
3	Sulphur di oxide	Improved west and Gaeke method
4	Oxides of nitrogen	Jacob and Hochheiser modified method
5	Ammonia	Indo phenol method
6	Fluoride	Selective ion electrode method
7	Mercapton	Spectrohometric method using N,N di methyl paraphenylene diamine as absorbent.
8	Hydrogen Sulphide	Spectrohometric method using alkaline suspension of cadmium hydroxide as absorbent.
9	Oxygen	Flue gas analyzer
10	Carbon di oxide	Flue gas analyzer
11	Carbon monoxide	Flue gas analyzer
12	Acid mist	Titration method
13	Chlorine	Spectrohometric method using methyl orange as absorbent.
14	Lead	Atomic absorption spectrometric method after sampling using EPM 2000 or equivalent filter paper.