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Electronic Code of Federal Regulations

e-CFR Data is current as of October 20, 2014

Title 40Chapter ISubchapter NPart 424Subpart A → §424.12


Title 40: Protection of Environment
PART 424—FERROALLOY MANUFACTURING POINT SOURCE CATEGORY
Subpart A—Open Electric Furnaces With Wet Air Pollution Control Devices Subcategory


§424.12   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, 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/Mwh)
TSS0.3190.160
Chromium total.006.0032
Chromium VI.0006.0003
Manganese total.064.032
pH(1)(1)
English units (lb/Mwh)
TSS.703.352
Chromium total.014.007
Chromium VI.0014.0007
Manganese total.141.070
pH(1)(1)

1Within the range 6.0 to 9.0.

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



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