Effluent Concentration Limit - mg/L
| ||
---|---|---|
Substance1
|
Allowable Maximum Instantaneous2
| |
Aluminum
|
0.5
| |
Antimony
|
0.07
| |
Arsenic
|
0.005
| |
Barium
|
0.16
| |
Beryllium
|
0.002
| |
Cadmium
|
0.011
| |
Chlorides
|
500
| |
Chlorine
|
0.025
| |
Chromium (hexavalent)
|
0.25
| |
Chromium (total)
|
0.25
| |
Cobalt
|
0.025
| |
Copper
|
0.2
| |
Cyanide (total)
|
0.34
| |
Iron
|
1.5
| |
Lead
|
0.013
| |
Manganese
|
0.08
| |
Mercury
|
0.004
| |
Molybdenum
|
0.024
| |
Nickel
|
0.26
| |
Phenols, total
|
0.05
| |
Selenium
|
0.023
| |
Silver
|
0.017
| |
Sulfates
|
60
| |
Sulfides
|
0.01
| |
Vanadium
|
0.7
| |
Zinc
|
0.16
|
NOTES:
| ||
---|---|---|
1
|
Except for chromium (hexavalent), all concentrations listed
for metallic substances shall be as "total metal," which shall be
defined as the value measured in a sample acidified to a pH value
of two or less, without prior filtration.
| |
2
|
As determined on a grab or composite sample taken from the user's
daily discharge.
|