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Title 40 Part 434 → Subpart B → §434.25

Title 40 → Chapter I → Subchapter N → Part 434 → Subpart B → §434.25

Electronic Code of Federal Regulations e-CFR

Title 40 Part 434 → Subpart B → §434.25

e-CFR data is current as of December 9, 2019

Title 40Chapter ISubchapter NPart 434Subpart B → §434.25


Title 40: Protection of Environment
PART 434—COAL MINING POINT SOURCE CATEGORY BPT, BAT, BCT LIMITATIONS AND NEW SOURCE PERFORMANCE STANDARDS
Subpart B—Coal Preparation Plants and Coal Preparation Plant Associated Areas


§434.25   New source performance standards (NSPS).

The following new source performance standards (NSPS) shall be achieved by any new source coal preparation plant and coal preparation plant associated areas, as indicated:

(a) 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 apply to discharges from new source coal preparation plants and new source coal preparation plant associated areas, if such discharges normally exhibit a pH of less than 6.0 prior to treatment:

NSPS Effluent Limitations (mg/l)

Pollutant or pollutant propertyMaximum for any 1 dayAverage of daily values for 30 consecutive days
Iron, total6.03.0
Manganese, total4.02.0
TSS7035
pH(1)(1)

16.0-9.0 at all times.

(b) 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 apply to discharges from new source coal preparation plants and new source coal preparation plant associated areas, if such discharges normally exhibit a pH equal to or greater than 6.0 prior to treatment:

NSPS Effluent Limitations (mg/l)

Pollutant or pollutant propertyMaximum for any 1 dayAverage of daily values for 30 consecutive days
Iron, total6.03.0
TSS7035
pH(1)(1)

16.0-9.0 at all times.


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