GroundRules
40 CFR 434.42: Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
- PART 434—COAL MINING POINT SOURCE CATEGORY BPT, BAT, BCT LIMITATIONS AND NEW SOURCE PERFORMANCE STANDARDS
- Subpart D—Alkaline Mine Drainage
Except as provided in 40 CFR 125.30-125.32, 40 CFR 401.17, and §§ 434.61 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 property Maximum for any 1 day Average of daily values for 30 consecutive days
Concentration in mg/l
Iron, total 7.0 3.5
TSS 70. 35.
pH (1) (1)
1 Within the range 6.0 to 9.0 at all times.
Collected 2026-08-27T02:26:04Z. Source file · JSON