Except as provided in 40 CFR 403.7 and 403.13, any source that introduces wastewater pollutants into a POTW must comply with part 403 and achieve the following pretreatment standards:
Regulated
parameter
| Maximum daily
| Maximum monthly avg.
|
|---|
| Arsenic | 84 | 72
|
| Cadmium | 71 | 26
|
| Chromium | 25 | 14
|
| Copper | 23 | 14
|
| Lead | 57 | 32
|
| Mercury | 2.3 | 1.3
|
| Silver | 13 | 8
|
| Titanium | 60 | 22
|
| Zinc | 82 | 54
|
authority: Secs. 301, 304, 306, 307, 308, 402, and 501 of the Clean Water Act, as amended;
33 U.S.C. 1311,
1314,
1316,
1317,
1318,
1342,
and
source: 65 FR 4381, Jan. 27, 2000, unless otherwise noted.
cite as: 40 CFR 444.16