U.S. Code of Federal Regulations
Regulations most recently checked for updates: Mar 25, 2023
Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart 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 A - Semiconductor BPT Effluent Limitations
|Pollutant or pollutant property||Maximum for any 1 day||Average of daily values for 30 consecutive days|
|Milligrams per liter (mg/l)|
|TTO 1||1.37||( 2)|
|pH||( 3)||( 3)|
1 Total toxic organics.
2 Not applicable.
3 Within the range of 6.0 to 9.0.