CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS (Parts 400–471) > PART 437—THE CENTRALIZED WASTE TREATMENT POINT SOURCE CATEGORY > SUBPART B—Oils Treatment and Recovery (§437.20 to §437.26) > 437.25—Pretreatment standards for existing sources (PSES).

437.25—Pretreatment standards for existing sources (PSES).

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)
Regulatedparameter 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).

Code of Federal Regulations

[65 FR 81300, Dec. 22, 2000, as amended at 68 FR 71023, Dec. 22, 2003]
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)
Regulatedparameter 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).

Code of Federal Regulations

[65 FR 81300, Dec. 22, 2000, as amended at 68 FR 71023, Dec. 22, 2003]