13 Magnesium IS: 3025 17.4 17.5 mg/l 30 100 (as mg) (P-46) 14 Magnese (as Clause BDL BDL mg/l 0.1 0.3 Mn) 35 of IS 3025 15 Nitrate (as IS: 3025 8.9 11.5 mg/l 45 No NO3) (P- 34) Relaxation 16 Selenium (as IS: 3025 <0.01 <0.01 mg/l 0.01 No Se) (P- 56) Relaxation 17 Silver (as Ag) Annex J BDL BDL mg/l 0.1 No IS: Relaxation 18 Sulphate (as IS: 3025 15.68 13.4 mg/l 200 400 SO4) (P- 24) 19 Sulphide(as IS-3025 BDL BDL mg/l 0.05 No H2S) (P-29) Relaxation 20 Alkalinity ( as IS: 3025 156 176.2 mg/l 200 600 Ca CO3) (P- 23) 21 Total IS: 3025 285 322.4 mg/l 200 600 hardness (as (P- 23) CaCO3) 22 Zinc (as Zn) IS: 3025 0.08 0.186 mg/l 5.0 15 (P- 49) Parameters Concerning Toxic Substances: S.NO. Parameter Test UP Down Unit Requirement Permissible method Stream Stream (Acceptable in Result Result Limit) absence of alternate source 1 Cadmium BDL BDL mg/l 0.003 No Relaxation (as Cd)
13 Magnesium (as mg) IS: 3025 (P-46) 17.4 17.5 mg/l 30 100 14 Magnese (as Mn) Clause 35 of IS 3025 BDL BDL mg/l 0.1 0.3 15 Nitrate (as NO3) IS: 3025 (P- 34) 8.9 11.5 mg/l 45 No Relaxation 16 Selenium (as Se) IS: 3025 (P- 56) <0.01 <0.01 mg/l 0.01 No Relaxation 17 Silver (as Ag) Annex J IS: BDL BDL mg/l 0.1 No Relaxation 18 Sulphate (as SO4) IS: 3025 (P- 24) 15.68 13.4 mg/l 200 400 19 Sulphide(as H2S) IS-3025 (P-29) BDL BDL mg/l 0.05 No Relaxation 20 Alkalinity ( as Ca CO3) IS: 3025 (P- 23) 156 176.2 mg/l 200 600 21 Total hardness (as CaCO3) IS: 3025 (P- 23) 285 322.4 mg/l 200 600 22 Zinc (as Zn) IS: 3025 (P- 49) 0.08 0.186 mg/l 5.0 15 Parameters Concerning Toxic Substances: S.NO. Parameter Test method UP Stream Result Down Stream Result Unit Requirement (Acceptable Limit) Permissible in absence of alternate source 1 Cadmium (as Cd) BDL BDL mg/l 0.003 No Relaxation