CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS (Parts 400–471) > PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY > SUBPART BN—Sodium Chlorate Production Subcategory (§415.660 to §415.667) > 415.666—Pretreatment standards for new sources (PSNS).

415.666—Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS):
Subpart BN—Sodium Chlorate
Pollutant or pollutant property PSNS effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Milligrams per liter (mg/l)
Antimony (T) 1.6 0.8
Chromium (T) 0.64 0.32

Code of Federal Regulations

In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for antimony(T) and chromium(T) are the same as specified in § 415.663 .
[49 FR 33428, Aug. 22, 1984; 49 FR 37594, Sept. 25, 1984]