[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR464.46] [Page 598-599] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 464--METAL MOLDING AND CASTING POINT SOURCE CATEGORY--Table of Contents Subpart D--Zinc Casting Subcategory Sec. 464.46 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. 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).................................. 0.0344 0.0187 Lead (T).................................... 0.0237 0.0116 Zinc (T).................................... 0.0339 0.0129 TTO......................................... 0.093 0.0304 Oil and grease (for alternate monitoring)... 1.34 0.446 ------------------------------------------------------------------------ (b) 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)..................................... 0.0046 0.0022 Zinc (T)..................................... 0.0066 0.0025 Total phenols................................ 0.0074 0.0026 TTO.......................................... 0.0196 0.0064 Oil and grease (for alternate monitoring).... 0.259 0.0864 ------------------------------------------------------------------------ (c) 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).................................. 1.56 0.852 Lead (T).................................... 1.07 0.527 Zinc (T).................................... 1.54 0.588 Total phenols............................... 1.74 0.608 TTO......................................... 3.95 1.29 Oil and grease (for alternate monitoring)... 60.8 20.3 ------------------------------------------------------------------------ (d) Mold Cooling Operations. [[Page 599]] 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).................................. 0.304 0.166 Lead (T).................................... 0.209 0.103 Zinc (T).................................... 0.3 0.114 TTO......................................... 0.821 0.268 Oil and grease (for alternate monitoring)... 11.8 3.94 ------------------------------------------------------------------------ [50 FR 45247, Oct. 30, 1985; 51 FR 21762, June 16, 1986]