CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS (Parts 400–471) > PART 442—TRANSPORTATION EQUIPMENT CLEANING POINT SOURCE CATEGORY > SUBPART C—Tank Barges and Ocean/Sea Tankers Transporting Chemical and Petroleum Cargos (§442.30 to §442.36) > 442.35—Pretreatment standards for existing sources (PSES).

442.35—Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart must achieve the following pretreatment standards:
Table—Pretreatment Standards
Regulated parameter Maximum daily 1
Non-polar material (SGT-HEM) 26
Cadmium 0.020
Chromium 0.42
Copper 0.10
Lead 0.14
Mercury 0.0013
Nickel 0.58
Zinc 8.3
1 Mg/L (ppm).
Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart must achieve the following pretreatment standards:
Table—Pretreatment Standards
Regulated parameter Maximum daily 1
Non-polar material (SGT-HEM) 26
Cadmium 0.020
Chromium 0.42
Copper 0.10
Lead 0.14
Mercury 0.0013
Nickel 0.58
Zinc 8.3
1 Mg/L (ppm).