U.S. Code of Federal Regulations
Regulations most recently checked for updates: Sep 20, 2024
Any discharge subject to BPT, BCT, or NSPS limitations or standards in this part must remain within the pH range of 6 to 9.
Regulations most recently checked for updates: Sep 20, 2024
Any discharge subject to BPT, BCT, or NSPS limitations or standards in this part must remain within the pH range of 6 to 9.