Table 1. Maximum Allowable Headworks Loadings
| ||
---|---|---|
Materials
|
Loading
(pounds/day)
| |
Biochemical oxygen demand (BOD)
|
160,800
| |
Total suspended solids (TSS)
|
141,300
| |
Total phosphorus (TP)
|
6,990
| |
Ammonia nitrogen (NH3-N)
|
15,100
|
Table 2
| |||
---|---|---|---|
Local Limits
| |||
Inorganic
|
Daily Maximum
(mg/L)
|
Monthly Average
(mg/L)
| |
Total arsenic
|
1.46
|
NA
| |
Total cadmium
|
0.817
|
NA
| |
Total chromium
|
4.0
|
NA
| |
Hexavalent chromium
|
0.72
|
NA
| |
Total copper
|
1.5
|
NA
| |
Total cyanide
|
1.0
|
NA
| |
Total lead
|
1.5
|
NA
| |
Total mercury
|
ND1
|
NA
| |
Total molybdenum
|
3.4
|
NA
| |
Total nickel
|
1.5
|
1.1
| |
Total selenium
|
2.3
|
1.67
| |
Total silver
|
6202
|
NA
| |
Total zinc
|
2.6
|
2.0
|
Organic
|
Daily Maximum
(mg/L)
|
Monthly Average
(mg/L)
| |
---|---|---|---|
Total phenols
|
3.26
|
NA
| |
Polychlorinated biphenyls
|
ND3
|
NA
| |
Tetrachloroethylene
|
0.25
|
NA
| |
Trichloroethylene
|
0.16
|
NA
| |
MTBE
|
0.02
|
NA
|
NA
|
Not applicable
| |
(1)
|
Nondetectable or as specified in § 313-18B(17)
| |
(2)
|
Process discharge limit for photo processors and x-ray machines
sampled from discharge of silver recovery unit. The analysis of these
sample matrixes, photo processing and x-ray machine wastes for silver
shall be performed on an unpreserved and undigested sample or an alternative
preservation and analytical method that does not interfere with the
measurement of silver.
| |
(3)
|
Nondetectable per EPA Method 608 with a detection limit not
to exceed 0.1 µg/l unless higher levels are appropriate due
to matrix interference
|