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 Quench 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).................................. 0.0344 0.0187Lead (T).................................... 0.0237 0.0116Zinc (T).................................... 0.0339 0.0129TTO......................................... 0.093 0.0304Oil and grease (for alternate monitoring)... 1.34 0.446------------------------------------------------------------------------
(b) Die Casting 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)................................... 0.0066 0.0036Lead (T)..................................... 0.0046 0.0022Zinc (T)..................................... 0.0066 0.0025Total phenols................................ 0.0074 0.0026TTO.......................................... 0.0196 0.0064Oil and grease for alternate monitoring)..... 0.259 0.0864------------------------------------------------------------------------
(c) 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).................................. 1.56 0.852Lead (T).................................... 1.07 0.527Zinc (T).................................... 1.54 0.588Total phenols............................... 1.74 0.608TTO......................................... 3.95 1.29Oil and grease for alternate monitoring).... 60.8 20.3------------------------------------------------------------------------
(d) 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).................................. 0.304 0.166Lead (T).................................... 0.209 0.103Zinc (T).................................... 0.3 0.114TTO......................................... 0.821 0.268Oil and grease for alternate monitoring).... 11.8 3.94------------------------------------------------------------------------