Effluent Water Quality Standards for Human Health Protection
 |
| Type of Toxin |
Permissible Limit |
| cadmium and its compounds |
0.1mg/L |
| cyanide compounds |
1mg/L |
organic phosphorus compounds
(parathion, methyl parathion, methyl demeton and EPN oniy) |
1mg/L |
| lead and its compounds |
0.1mg/L |
| sexivalent chrome compounds |
0.5mg/L |
| arsenic and its compounds |
0.1mg/L |
total mercury
|
0.005mg/L |
alkyl mercury compounds
|
Not detectable |
PCBs
|
0.003mg/L |
trichloroethylene
|
0.3mg/L |
tetrachloroethylene
|
0.1mg/L |
dichloromethane
|
0.2mg/L |
carbon tetrachloride
|
0.02mg/L |
| 1,2-dichloro ethane |
0.04mg/L |
1,1-dichloro ethlene
|
0.2mg/L |
cis-1,2-dichloro ethylene
|
0.4mg/L |
1.1.1-trichloro ethane
|
3mg/L |
1.1.2-trichloro ethane
|
0.06mg/L |
1,3-dichloropropene
|
0.02mg/L |
thiram
|
0.06mg/L |
simazine
|
0.03mg/L |
thiobencarb
|
0.2mg/L |
benzene
|
0.1mg/L |
selenium and its compounds
|
0.1mg/L |
boron and its compounds
|
Non- Coastal Regions 10mg/L
Coastal Regions 230mg/L |
flouride and its compounds
|
Non- Coastal Regions 8mg/L
Coastal Regions 15mg/L |
ammonia, ammonium compounds, nitrate and
nitrite compounds
|
(*)100mg/L |
|
| (*) Total of ammonia-N multiplied by 0.4, nitrite-N,
and nitrate-N. |
| Remarks |
| “Not detectable” means that when the substance is measured by the method specified by the Minister of the Environment, the amount is less than the quantitative limit defined by that method. |
|