GroundRules
40 CFR 440.63: Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
- PART 440—ORE MINING AND DRESSING POINT SOURCE CATEGORY
- Subpart F—Tungsten Ore Subcategory
Except as provided in subpart L of this part and 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT):
(a) The concentration of pollutants discharged in mine drainage from tungsten mines shall not exceed:
Effluent characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Milligrams per liter
Cd 0.10 0.05
Cu 0.30 0.15
Zn 1.0 0.5
(b) The concentration of pollutants discharged from mills shall not exceed:
Effluent characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Milligrams per liter
Cd 0.10 0.05
Cu 0.3 0.15
Zn 1.0 0.5
Collected 2026-08-27T02:26:04Z. Source file · JSON