CENTRAL POLLUTION CONTROL BOARD NOTIFICATION
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:
| 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.
Last Updated: February 6, 2013
