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 A—Tank Trucks and Intermodal Tank Containers Transporting Chemical and Petroleum Cargos (§442.10 to §442.16) > 442.11—Effluent limitations attainable by the application of the best practicable control technology currently available (BPT).

442.11—Effluent limitations attainable by the application of the best practicable control technology currently available (BPT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the application of BPT:
(a) Effluent Limitations
Regulated parameter Maximum daily 1 Maximum monthly avg. 1
BOD5 61 22
TSS 58 26
Oil and grease (HEM) 36 16
Copper 0.84
Mercury 0.0031
pH (2) (2)
1 Mg/L (ppm)
2 Within 6 to 9 at all times.
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the application of BPT:
(a) Effluent Limitations
Regulated parameter Maximum daily 1 Maximum monthly avg. 1
BOD5 61 22
TSS 58 26
Oil and grease (HEM) 36 16
Copper 0.84
Mercury 0.0031
pH (2) (2)
1 Mg/L (ppm)
2 Within 6 to 9 at all times.