[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR464.15] [Page 562-563] 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. 464.15 Pretreatment standards for existing sources. 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. (a) Casting Cleaning Operations. PSES ------------------------------------------------------------------------ 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 Operation. PSES ------------------------------------------------------------------------ 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 TT0......................................... 0.029 0.0095 Oil and grease (for alternate monitoring)... 0.363 0.121 ------------------------------------------------------------------------ (c) Die Casting Operations. [[Page 563]] PSES ------------------------------------------------------------------------ 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. PSES ------------------------------------------------------------------------ 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 3.00 ------------------------------------------------------------------------ (e) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW. (f) Investment Casting. PSES ------------------------------------------------------------------------ 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. PSES ------------------------------------------------------------------------ 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. PSES ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ [50 FR 45247, Oct. 30, 1985; 51 FR 21760, June 16, 1986]