Title 40

SECTION 424.32

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

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

Except as provided in §§ 125.30 through 125.32, 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 characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed -
Metric units (kg/kkg processed)
TSS 2.659 1.330
Chromium total 0.053 0.026
Manganese total .532 .266
pH ( 1) ( 1)
English units (lb/ton processed)
TSS 5.319 2.659
Chromium total 0.106 0.053
Manganese total 1.064 .532
pH ( 1) ( 1)

1 Within the range 6.0 to 9.0.

[39 FR 6809, Feb. 22, 1974, as amended at 60 FR 33957, June 29, 1995]