Effluent Concentration Limit
| |
Substance1
|
Allowable Maximum Instantaneous2
(mg/l)
|
Aluminum
|
1.0
|
Antimony
|
0.02
|
Arsenic
|
0.005
|
Barium
|
0.16
|
Beryllium
|
0.002
|
Cadmium
|
0.01
|
Chlorides
|
180
|
Chlorine
|
0.05
|
Chromium (hexavalent)
|
0.006
|
Chromium (total)
|
0.009
|
Cobalt
|
0.05
|
Copper
|
0.09
|
Cyanide (total)
|
0.34
|
Fluoride
|
21.5
|
Iron
|
1.7
|
Lead
|
0.013
|
Manganese
|
0.08
|
Molybdenum
|
0.024
|
Nickel
|
0.034
|
Phenols, total
|
0.05
|
Selenium
|
0.05
|
Silver
|
0.008
|
Sulfates
|
60
|
Sulfides
|
0.02
|
Vanadium
|
1.4
|
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 2 or less, without prior filtration. Dischargers of mercury may
be subject to a permit limit and best management practices (BMPs)
associated with mercury reduction prior to discharge to the POTW.
2. As determined on a grab or composite sample taken
from the user's daily discharge.
|
Maximum Allowable Headworks Loading
| |
---|---|
Substance
|
Daily Maximum
(lbs/day)
|
BOD5
|
1700
|
TSS
|
1700
|
Copper
|
2.6
|
Zinc
|
45.8
|