CFR

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420.34—New source performance standards (NSPS).

The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.

(a) Iron blast furnace.

Subpart C

Pollutant or pollutant property	New source performance standards
Pollutant or pollutant property	Maximum for any 1 day	Average of daily values for 30 consecutive days
	Kg/kkg (pounds per 1,000 lb) of products
TSS	0.0117	0.00438
O&G	0.00292
Ammonia-N	0.00876	0.00292
Cyanide	0.000584	0.000292
Phenols (4AAP)	0.0000584	0.0000292
TRC 1	0.000146
Lead	0.000263	0.0000876
Zinc	0.000394	0.000131
pH	(2)	(2)
1 The standards for TRC shall be applicable only when chlorination of ironmaking wastewaters is practiced.
2 Within the range of 6.0 to 9.0.

(b) [Reserved]

[47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982, as amended at 49 FR 21030, May 17, 1984; 67 FR 64266, Oct. 17, 2002]

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