[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR464.26] [Page 571-572] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 464--METAL MOLDING AND CASTING POINT SOURCE CATEGORY--Table of Contents Subpart B--Copper Casting Subcategory Sec. 464.26 Pretreatment standards for new sources. Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. (a) Casting Quench Operations. [[Page 572]] PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured --------------- Copper (T).................................. 0.0307 0.0168 Lead (T).................................... 0.0211 0.0104 Zinc (T).................................... 0.0303 0.0116 TTO......................................... 0.0335 0.0109 Oil and grease (for alternate monitoring)... 1.2 0.399 ------------------------------------------------------------------------ (b) Direct Chill Casting Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ---------------- Copper (T)................................ 0.928 0.506 Lead (T).................................. 0.639 0.314 Zinc (T).................................. 0.916 0.35 ------------------------------------------------------------------------ (c) Dust Collection Scrubber Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 Million Sm\3\ (pounds per billion SCF) of air scrubbed ---------------- Copper (T)................................ 0.552 0.301 Lead (T).................................. 0.38 0.187 Zinc (T).................................. 0.545 0.208 Total Phenols............................. 0.617 0.215 TTO....................................... 1.65 0.54 Oil and Grease (for alternate monitoring.. 21.5 7.18 ------------------------------------------------------------------------ (d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW. (e) Investment Casting. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ---------------- Copper (T)................................. 8.48 4.63 Lead (T)................................... 5.84 2.86 Zinc (T)................................... 8.37 3.19 TTO........................................ 25.4 8.29 Oil and Grease (for alternate monitoring... 330 110 ------------------------------------------------------------------------ (f) Melting Furnace Scrubber Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/62.3 million Sm\3\ (pounds per billion SCF) of air scrubbed ---------------- Copper (T)................................ 1.81 0.988 Lead (T).................................. 1.25 0.612 Zinc (T).................................. 1.79 0.673 Total Phenols............................. 2.02 0.706 TTO....................................... 5.41 1.77 Oil and Grease (for alternate monitoring.. 70.6 23.5 ------------------------------------------------------------------------ (g) Mold Cooling Operations. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ kg/1,000 kkg (pounds per million pounds) of metal poured ---------------- Copper (T)................................ 0.392 0.214 Lead (T).................................. 0.27 0.132 Zinc (T).................................. 0.387 0.148 TTO....................................... 0.428 0.14 Oil and Grease (for alternate monitoring.. 15.3 5.09 ------------------------------------------------------------------------