GroundRules
40 CFR 437.25: Pretreatment standards for existing sources (PSES).
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
- PART 437—THE CENTRALIZED WASTE TREATMENT POINT SOURCE CATEGORY
- Subpart B—Oils Treatment and Recovery
Except as provided in 40 CFR 403.7, 403.13 or § 437.20(b), and no later than December 22, 2003, any existing source subject to this subpart must achieve the following pretreatment standards:
Pretreatment Standards (PSES)
Regulated parameter Maximum daily 1 Maximum monthly avg. 1
Metal Parameters
Chromium 0.947 0.487
Cobalt 56.4 18.8
Copper 0.405 0.301
Lead 0.222 0.172
Tin 0.249 0.146
Zinc 6.95 4.46
Organic Parameters
Bis(2-ethylhexyl) phthalate 0.267 0.158
Carbazole 0.392 0.233
n-Decane 5.79 3.31
Fluoranthene 0.787 0.393
n-Octadecane 1.22 0.925
1 mg/L (ppm).
Collected 2026-08-27T02:26:04Z. Source file · JSON