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).................................. 0.0307 0.0168Lead (T).................................... 0.0211 0.0104Zinc (T).................................... 0.0303 0.0116TTO......................................... 0.0335 0.0109Oil and grease (for alternate monitoring)... 1.2 0.399------------------------------------------------------------------------
(b) Direct Chill 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)................................ 0.928 0.506Lead (T).................................. 0.639 0.314Zinc (T).................................. 0.916 0.35------------------------------------------------------------------------
(c) 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)................................ 0.552 0.301Lead (T).................................. 0.38 0.187Zinc (T).................................. 0.545 0.208Total Phenols............................. 0.617 0.215TTO....................................... 1.65 0.54Oil and Grease (for alternate monitoring.. 21.5 7.18------------------------------------------------------------------------
(d) Grinding Scrubber Operations. No discharge of process wastewater pollutants to a POTW.
(e) 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)................................... 5.84 2.86Zinc (T)................................... 8.37 3.19TTO........................................ 25.4 8.29Oil and Grease (for alternate monitoring... 330 110------------------------------------------------------------------------
(f) 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)................................ 1.81 0.988Lead (T).................................. 1.25 0.612Zinc (T).................................. 1.79 0.673Total Phenols............................. 2.02 0.706TTO....................................... 5.41 1.77Oil and Grease (for alternate monitoring.. 70.6 23.5------------------------------------------------------------------------
(g) 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)................................ 0.392 0.214Lead (T).................................. 0.27 0.132Zinc (T).................................. 0.387 0.148TTO....................................... 0.428 0.14Oil and Grease (for alternate monitoring.. 15.3 5.09------------------------------------------------------------------------