TITLE 40 - PROTECTION OF ENVIRONMENT

CHAPTER I - ENVIRONMENTAL PROTECTION AGENCY

SUBCHAPTER N - EFFLUENT GUIDELINES AND STANDARDS

PART 415 - INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY

subpart al - FERRIC CHLORIDE PRODUCTION SUBCATEGORY

415.384 - Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing 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 existing sources (PSES): Subpart AL_Ferric Chloride ------------------------------------------------------------------------ PSES limitations --------------------------- Average of Pollutant or pollutant property daily values Maximum for for 30 any 1 day consecutive days ------------------------------------------------------------------------ Milligrams per liter (mg/l) --------------------------- Total Chromium.............................. 3.0 1.0 Hexavalent Chromium......................... 0.25 0.09 Copper (T).................................. 1.0 0.50 Nickel (T).................................. 2.0 1.0 Zinc (T).................................... 5.0 2.5 ------------------------------------------------------------------------