40 CFR § 424.42 Ferroalloy Manufacturing Point Source Category

§ 424.42 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

Current through Aug 22, 2025 · Read all of Part 424

Except as provided in §§ 125.30 through 125.32, and subject to the provisions of paragraph (a) of this section, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Effluent characteristicEffluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days shall not exceed—
Metric units (kg/kkg of product)
TSS0.3800.190
Total Cyanide.0056.0028
pH( 1)( 1)
English units (lb/1000 lb of product)
TSS.380.190
Total Cyanide.0056.0028
pH( 1)( 1)

1 Within the range 6.0 to 9.0.

[40 FR 8035, Feb. 24, 1975, as amended at 60 FR 33957, June 29, 1995]

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