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 AP—Hydrogen Cyanide Production Subcategory (§415.420 to §415.427) > 415.426—Pretreatment standards for new sources (PSNS).

415.426—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 AP—Hydrogen Cyanide
Pollutant or pollutant property PSNS effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Milligrams per liter
Cyanide A 1.7 0.36
Total Cyanide 11 4.0

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 Cyanide A and Total Cyanide are the same as specified in § 415.425 .
[47 FR 55227, Dec. 8, 1982]