40 CFR 413.04: Standards for integrated facilities.

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