GroundRules
40 CFR 424.42: Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
- PART 424—FERROALLOY MANUFACTURING POINT SOURCE CATEGORY
- Subpart D—Covered Calcium Carbide Furnaces With Wet Air Pollution Control Devices Subcategory
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 characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed—
Metric units (kg/kkg of product)
TSS 0.380 0.190
Total Cyanide .0056 .0028
pH (1) (1)
English units (lb/1000 lb of product)
TSS .380 .190
Total Cyanide .0056 .0028
pH (1) (1)
1 Within the range 6.0 to 9.0.
Collected 2026-08-27T02:26:04Z. Source file · JSON