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 0.0187Lead (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.
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 0.0036Lead (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.
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 0.852Lead (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.
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 0.166Lead (T).................................... 0.209 0.103Zinc (T).................................... 0.3 0.114TTO......................................... 0.821 0.268Oil and grease (for alternate monitoring)... 11.8 3.94------------------------------------------------------------------------ [50 FR 45247, Oct. 30, 1985; 51 FR 21762, June 16, 1986]