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Title 40 Part 434 → Subpart C

Title 40 → Chapter I → Subchapter N → Part 434 → Subpart C

Electronic Code of Federal Regulations e-CFR

Title 40 Part 434 → Subpart C

e-CFR data is current as of December 5, 2019

Title 40Chapter ISubchapter NPart 434 → Subpart C


Title 40: Protection of Environment
PART 434—COAL MINING POINT SOURCE CATEGORY BPT, BAT, BCT LIMITATIONS AND NEW SOURCE PERFORMANCE STANDARDS


§434.30   Applicability; description of the acid or ferruginous mine drainage subcategory.

The provisions of this subpart are applicable to acid or ferruginous mine drainage from an active mining area resulting from the mining of coal of any rank including, but not limited to, bituminous, lignite, and anthracite.

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§434.31   [Reserved]

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

Except as provided in 40 CFR 125.30-125.32, 40 CFR 401.17, and §§434.61, 434.62 and 434.63 of this part, the following limitations establish the concentration or quality of pollutants which may be discharged by a point source subject to the provisions of this subpart after application of the best practicable control technology currently available:

BPT Effluent Limitations

Pollutant or pollutant propertyMaximum for any 1 day Average of daily values for 30 consecutive days
   Concentration in mg/l
Iron, total7.03.5
Manganese, total4.02.0
TSS70.035.0
pH(1)(1)

1Within the range 6.0 to 9.0 at all times.

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§434.33   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

Except as provided in 40 CFR 125.30-125.32, 40 CFR 401.17, and §§434.61, 434.62 and 434.63 of this part, the following limitations establish the concentration or quality of pollutants which may be discharged by a point source subject to the provisions of this subpart after application of the best available technology economically achievable:

BPT Effluent Limitations

Pollutant or pollutant propertyMaximum for any 1 day Average of daily values for 30 consecutive days
   Concentration in mg/l
Iron, total7.03.5
Manganese, total4.02.0

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§434.34   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). [Reserved]

§434.35   New source performance standards (NSPS).

Except as provided in 40 CFR 401.17, and §§434.61, 434.62 and 434.63 of this part, the following new source performance standards shall be achieved for any discharge from a new source subject to this subpart:

NSPS Effluent Limitations

Pollutant or pollutant propertyMaximum for any 1 dayAverage of daily values for 30 consecutive days
   Concentration in mg/l
Iron, total6.03.0
Manganese, total4.02.0
TSS70.035.0
pH(1)(1)

1Within the range 6.0 to 9.0 at all times.

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