[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR464.16] [Page 563-564] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 464--METAL MOLDING AND CASTING POINT SOURCE CATEGORY--Table of Contents Subpart A--Aluminum Casting Subcategory Sec. 464.16 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 Cleaning 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).................................. 0.0771 0.0421 Lead (T).................................... 0.0791 0.039 Zinc (T).................................... 0.114 0.0431 ------------------------------------------------------------------------ (b) Casting Quench Operations. [[Page 564]] 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).................................. 0.0093 0.0051 Lead (T).................................... 0.0096 0.0047 Zinc (T).................................... 0.0138 0.0052 TTO......................................... 0.029 0.0095 Oil and grease (for alternate monitoring)... 0.363 0.121 ------------------------------------------------------------------------ (c) Die 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).................................. 0.0066 0.0036 Lead (T).................................... 0.0068 0.0034 Zinc (T).................................... 0.0098 0.0037 Total Phenols............................... 0.0074 0.0026 TTO......................................... 0.0308 0.01 Oil and grease (for alternate monitoring)... 0.259 0.0864 ------------------------------------------------------------------------ (d) 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)................................ 0.231 0.126 Lead (T).................................. 0.237 0.117 Zinc (T).................................. 0.343 0.129 Total Phenols............................. 0.258 0.09 TTO....................................... 0.613 0.2 Oil and grease (for alternate monitoring). 9.01 3.0 ------------------------------------------------------------------------ (e) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW. (f) 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).................................... 8.7 4.3 Zinc (T).................................... 12.6 4.74 TTO......................................... 18.1 5.91 Oil and grease (for alternate monitoring)... 330 110 ------------------------------------------------------------------------ (g) 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).................................. 3.01 1.64 Lead (T).................................... 3.09 1.52 Zinc (T).................................... 4.45 1.68 Total Phenols............................... 3.36 1.17 TTO......................................... 7.97 2.6 Oil and grease (for alternate monitoring)... 117 39.1 ------------------------------------------------------------------------ (h) 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)................................ 0.297 0.162 Lead (T).................................. 0.305 0.151 Zinc (T).................................. 0.44 0.166 TTO....................................... 0.935 0.304 Oil and grease (for alternate monitoring). 11.6 3.86 ------------------------------------------------------------------------