Collapse to view only § 415.301 - Specialized definitions.
- § 415.300 - Applicability; description of the calcium carbonate production subcategory.
- § 415.301 - Specialized definitions.
- § 415.302 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§ 415.300 - Applicability; description of the calcium carbonate production subcategory.
The provisions of this subpart are applicable to discharges resulting from the production of calcium carbonate by the milk of lime process and by the recovery process from Solvay process wastes.
§ 415.301 - Specialized definitions.
(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.
(b) The term product shall mean calcium carbonate.
§ 415.302 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
(a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the milk of lime process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
Subpart AD—Calcium Carbonate Milk of Lime Process
Pollutant or pollutant property | BPT limitations | Maximum for any 1 day | Average of daily values for 30 consecutive days | Kg/kkg (or pounds per 1,000 lb) of product | TSS | 0.56 | 0.28 | pH | ( 1) | ( 1) |
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1 Within the range 6.0 to 9.0.
(b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the recovery process from Solvay process wastes, must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
Subpart AD—Calcium Carbonate Solvay Recovery Process
Pollutant or pollutant property | BPT limitations | Maximum for any 1 day | Average of daily values for 30 consecutive days | Kg/kkg (or pounds per 1,000 lb) of product | TSS | 1.16 | 0.58 | pH | ( 1) | ( 1) |
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1 Within the range 6.0 to 9.0.