Monitoring industrial effluents discharge along Gujarat coast by bio assay test and physico chemical parameters

Raval, Y B and Khadse, V R and Vadher, D J and Bhaskaran, M and Chhaya, N D (1987) Monitoring industrial effluents discharge along Gujarat coast by bio assay test and physico chemical parameters. CMFRI Bulletin : National Symposium on Research and Development in Marine Fisheries Sessions I & II 1987, 44 (Part -). pp. 33-37.

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Abstract

GFASRI In consultation with Gujarat Pollution Control Board and on Its own undertook studies on chemical parameters of effluents of a few factories in the Saurashtra region and their effects on fish through bio-assay tests. In the case of M/s Tata Chemicals, LC-50 value ranges 0 4 to 5% cone vol; temperature 86.0 to 91.0°F; Ammonia 21.84 to 48 98 ppm and total solids from 184 to 234 g/litre. In the case of M/s Saurashtra Chemicals. Porbandar, LC-60 value varied 2-100%. In the case of M/s Indian Rayon, Veraval, pH was between 2 to 10.5 and LCeo value was from 20% to 100% conc/vol. For Billsshwar Sugar Factory, Kodinar pH was between 4.0 - 5.5, BOO was 450 to 1800 ppm and LC-50 value was 0.5 to 7.

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