MINISTRY OF ENVIRONMENT & FORESTS
(Department of Environment, Forests & Wildlife)
NOTIFICATION
New Delhi, 8th March, 1988
S.O. 247(E).–In exercises of the powers conferred by clause (b) of sub-section (1) of Section 51 of the Water (Prevention and Control of Pollution) Act, 1974 (6 of 1974), and in suppression of the notification of the Government of India in the Ministry of Works and Housing No. S.O. 2974 dated the 25th August, 1975 published in the Gazette of India, Part II, Section 3, sub-section (ii) dated the 6th September, 1975, the Central Government hereby specifies the Delhi Zonal Laboratory at Chandrawal Water Works-II, Sham Nath Marg, Delhi of National Environmental Engineering Research Institute, Nehru Marg, Nagpur-440020 as a Central Water Laboratory to carry out the functions entrusted to the Central Water laboratory under the said Act.
[No. Q-15018/2/88/CPW]
A.C. Ray, Addl. Secy.
Source : The Gazette of India Extra Ordinary Part II (Section 3 Sub-section (ii) Delhi, 8th March, 1988)
MINISTRY OF ENVIRONMENT & FORESTS
NOTIFICATION
New Delhi, 19th November, 1991
S.O. 787(E).–In exercise of the powers conferred by clause (b) of sub-section (1) of section 51 of the Water (Prevention and Control of Pollution) Act, 1974 (6 of 1974) and in supersession of the notification of the Government of India in the Ministry of Environment and Forests, Department of Environment, Forests and Wildlife No. S.O. 247(E), dated the 8th March, 1988, except as respect things done or omitted to be done before such supersession, the Central Government hereby specifies the Water Laboratory of the Central Pollution Control Board, Parivesh Bhawan, C.B.D. cum-Office complex, East Arjun Nagar, Delhi as a Central Water laboratory to carry out the functions entrusted to the Central Water Laboratory under the said Act.
[F. No. Q-15018(7)/82-CPW]
MUKUL SANWAL, Jt., Secy.
Source : The Gazette of India Extraordinary Part-II Section 3 Sub-section (ii) dt. 31-19.11.1991.
CENTRAL POLLUTION CONTROL BOARD
NOTIFICATION
New Delhi, the 7th April, 1988
No. 1/2(71)/87 Plg.–In exercise of the powers conferred under Section 4(4) of the Water (Prevention and Control of Pollution) Act, 1974, the Central Board for the Prevention and Control Water Pollution pursuant to Section 17(1) (m) of the said Act lays down the following standards for compliance by small-scale industries located in the Union Territories, in respect of which Minimal National Standards have not been yet evolved:
Â
Sl.No. Parameters Concentration not to exceed
1. Total Concentration of Mercury (Hg.) in the final (Combined) effluent 0.01 mg/l
2. pH 5.5–9.0
3. Suspended Solids 250 mg/l
4. Biochemical Oxygen Demand 150 mg/l
5. Temperature Shall not exceed 5 degree C above the ambient Temp. of the receiving body
6. Free available chlorine 0.5 mg/l
7. Oil & Grease 10 mg/l
8. Cu (Total) 3.0 mg/l
9. Iron (Total) 3.0 mg/l
10.
Zinc 5.0 mg/l
11. Cr (Total) 2.0 mg/l
12. Phosphate (as P) 5.0 mg/l
13. Bio-assay test 90% of test animals after 96 hours with 1:8 dilution
14. Sulphide (as S) 2 mg/l
15. Phenolic compounds (as C6H5OH) 5 mg/l
16. Hexavalent Chromium (as Cr) 0.1 mg/l
17. Nickel (as Ni) 3.0 mg/l
18. Cadmium (Cd) 2.0 mg/l
19. Chloride (as Cl) 9000 mg/l
20. Sulphate (as SO4) 1000 mg/l
21. Cynides (as CN) 0.2 mg/l
22. Ammomtacal Nitrogen (as N) 50 mg/l
23. Lead (as Pb) 0.01 mg/l
24. Total Metal 10.0 mg/l
The standards may be relaxed in cases where the water from small-scale industrial units are collected and treated in a Terminal Treatment Plant. These standards are laid down without prejudice to the Board varying or modifying them, while issuing consents pursuant to Section 25 and 26 of the Water (Prevention and Control of Pollution) Act, 1974.
PARITOSH C. TYAGI,
Chairman
Source : The Gazette of India, Part III-Sec. 4, dated 23rd April, 1998.
