Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart where chlorophenolic-containing biocides are used must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). Non-continuous dischargers shall not be subject to the maximum day mass limitations in kg/kkg (lb/1,000 lb), but shall be subject to concentration limitations. Concentration limitations are only applicable to non-continuous dischargers. Permittees not using chlorophenolic-containing biocides must certify to the permit-issuing authority that they are not using these biocides:
| Pollutant or pollutant property
| BAT effluent limitations
|
|---|
| Maximum for any 1 day
|
|---|
| Kg/kkg (or pounds per 1,000 lb) of product
| Milligrams/liter
|
|---|
| Pentachlorophenol | 0.0012 | (0.029)(10.3)/y
|
| Trichlorophenol | 0.00043 | (0.010)(10.3)/y
|
| y = wastewater discharged in kgal per ton of product. | | |
authority: Sections 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,
and,
as.S.C. 7412)
source: 63 FR 18635, Apr. 15, 1998, unless otherwise noted.
cite as: 40 CFR 430.64