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 0.0421Lead (T).................................... 0.0791 0.039Zinc (T).................................... 0.114 0.0431------------------------------------------------------------------------
(b) 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).................................. 0.0093 0.0051Lead (T).................................... 0.0096 0.0047Zinc (T).................................... 0.0138 0.0052TTO......................................... 0.029 0.0095Oil 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 0.0036Lead (T).................................... 0.0068 0.0034Zinc (T).................................... 0.0098 0.0037Total Phenols............................... 0.0074 0.0026TTO......................................... 0.0308 0.01Oil 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 0.126Lead (T).................................. 0.237 0.117Zinc (T).................................. 0.343 0.129Total Phenols............................. 0.258 0.09TTO....................................... 0.613 0.2Oil 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 4.63Lead (T).................................... 8.7 4.3Zinc (T).................................... 12.6 4.74TTO......................................... 18.1 5.91Oil 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 1.64Lead (T).................................... 3.09 1.52Zinc (T).................................... 4.45 1.68Total Phenols............................... 3.36 1.17TTO......................................... 7.97 2.6Oil 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 0.162Lead (T).................................. 0.305 0.151Zinc (T).................................. 0.44 0.166TTO....................................... 0.935 0.304Oil and grease (for alternate monitoring). 11.6 3.86------------------------------------------------------------------------