Pretreatment standards for integrated facilities shall be computed as required by § 403.6(e) of EPA's General Pretreatment Regulations. In cases where electroplating process wastewaters are combined with regulated wastewaters which have 30 days average standards, the corresponding 30 day average standard for the electroplating wastewaters must be used. The 30 day average shall be determined for pollutants in the relevant subcategory from the corresponding daily and 4 day average values listed in the table below.
| If the maximum for any 1 day is
| And the 4 day average is
| Then the 30 day average is
|
|---|
| 0.6 | 0.4 | 0.3
|
| 1.2 | .7 | .5
|
| 1.9 | 1 | .55
|
| 4.1 | 2.6 | 1.8
|
| 4.2 | 2.6 | 1.8
|
| 4.5 | 2.7 | 1.8
|
| 5.0 | 2.7 | 1.5
|
| 7.0 | 4 | 2.5
|
| 10.5 | 6.8 | 5
|
| 20.0 | 13.4 | 10
|
| 23 | 16 | 12
|
| 47 | 29 | 20
|
| 53 | 36 | 27
|
| 74 | 39 | 21
|
| 107 | 65 | 45
|
| 169 | 89 | 49
|
| 160 | 100 | 70
|
| 164 | 102 | 70
|
| 176 | 105 | 70
|
| 273 | 156 | 98
|
| 365 | 229 | 160
|
| 374 | 232 | 160
|
| 401 | 241 | 160
|
| 410 | 267 | 195
|
| 623 | 257 | 223
|
| 935 | 609 | 445 |
authority: Secs. 301, 304(g), 307, 308, 309, 402, 405, 501(a), Clean Water Act, as amended, (
33 U.S.C. 1311,
1314,
1317,
1318,
1319,
1322,
1325
source: 46 FR 9467, Jan. 28, 1981, unless otherwise noted.
cite as: 40 CFR 413.04