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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
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