PART II - ELAW

1 Ammonical Nitrogen mg/1 50 75 75 (as elementary N) 2 Ammonia (as free ammonia) „ 5 5 15 3 Arsenic (as) „ 0.2 0.05 0.2 4 BOD5at20°C 50 250 100 5 Boron 2 2 2 6 Cadmium (as CD) 0.50 0.05 0.05 7 Chloride 600 600 600 8 Chromium (as total Cr) 0.5 1.0 1.0 9 COD 200 400 400 10 Chromium (as hexavalent Cr) 0.1 1.0 1.0 11 Copper (as Cu) 0.5 3.0 3.0 ... ................
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