§424.25 Standards of performance for new sources.

The following standards of performance establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a new source subject to the provisions of this subpart:

Effluent characteristic	Effluent limitations
Effluent characteristic	Maximum for any 1 day	Average of daily values for 30 consecutive days shall not exceed -
¹ Within the range 6.0 to 9.0.
	Metric units (kg/Mwh)
TSS	0.032	0.016
Chromium total	.001	.0005
Chromium VI	.0001	.00005
Manganese total	.011	.005
Cyanide total	.0005	.0003
Phenols	.0004	.0002
pH	( ¹)	( ¹)
	English units (lb/Mwh)
TSS	.071	.035
Chromium total	.002	.0012
Chromium VI	.0002	.0001
Manganese total	.023	.012
Cyanide total	.001	.0006
Phenols	.0009	.0005
pH	( ¹)	( ¹)

Provided, however, That for nonelectric furnace smelting processes, the units of effluent limitations set forth in this section shall be read as “kg/kkg of product” rather than “kg/Mwh,” and the limitations (except for pH) shall be 3.3 times those listed in the table in this section (or, for English units, “lb/ton of product” rather than “lb/Mwh,” and the limitations (except for pH) shall be three times those listed in the table).

[39 FR 6809, Feb. 22, 1974, as amended at 39 FR 17841, May 21, 1974]

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