(A)
An industrial waste survey is required prior to a user discharging wastewater containing in excess of the following average discharge limits:
Discharge Limit
|
Measurement
|
Type of Discharge
|
Discharge Limit
|
Measurement
|
Type of Discharge
|
0.0003 | mg/l | Mercury |
0.003 | mg/l | Arsenic |
0.003 | mg/l | Cadmium |
0.005 | mg/l | Selenium |
0.005 | mg/l | Silver |
0.05 | mg/l | Chromium |
0.06 | mg/l | Copper |
0.010 | mg/l | Molybdenum |
0.015 | mg/l | Cyanide |
0.021 | mg/l | Nickel |
0.049 | mg/l | Lead |
0.175 | mg/l | Zinc |
25 | mg/l | Ammonia |
40 | mg/l | TKN |
100 | mg/l | Oil and grease |
250 | mg/l | BOD |
250 | mg/l | TSS |
500 | mg/l | COD |
(B) Industrial user-specific local limits for appropriate pollutants of concern shall be included in wastewater permits, and are considered pretreatment standards.
(Ord. 33-2002, passed 10-21-2002; Ord. 29-2008, passed 10- -2008)