Substance
|
Maximum Concentration of Discharge Allowed
into POTW
(milligrams per liter)
|
---|---|
Antimony
|
10
|
Ammonia
|
40
|
Oil and grease
|
50
|
Arsenic
|
0.25
|
Boron
|
5.0
|
Cadmium
|
0.25
|
Calcium
|
500
|
Chromium, total
|
1.0
|
Chromium, hexavalent
|
0.5
|
Copper
|
1.0
|
Iron
|
5.0
|
Lead
|
2.66
|
Manganese
|
5.0
|
Mercury
|
0.001
|
Nickel
|
2.34
|
Silver
|
0.2
|
Zinc
|
1.5
|
Cyanide, total
|
3.0
|
Cyanide, amenable
|
0.08
|
Phenols
|
5.0
|
Benzene
|
0.1
|
Chloroform
|
1.0
|
Ethylbenzene
|
0.1
|
Methylene chloride
|
1.0
|
Naphthalene
|
1.0
|
1,1,1-Trichloroethane
|
1.0
|
Toluene
|
0.1
|
Xylene
|
0.1
|
pH range
|
6.0 to 9.5 S.U.
|