PART 125—CRITERIA AND STANDARDS FOR THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
Subparts
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A
Subpart A—Criteria and Standards for Imposing Technology-Based Treatment Requirements Under Sections 301(b) and 402 of the Act Sections 125.1–125.3 -
B
Subpart B—Criteria for Issuance of Permits to Aquaculture Projects Sections 125.10–125.11 -
C
Subpart C [Reserved] -
D
Subpart D—Criteria and Standards for Determining Fundamentally Different Factors Under Sections 301(b)(1)(A), 301(b)(2) (A) and (E) of the Act Sections 125.30–125.32 -
E
Subpart E—Criteria for Granting Economic Variances From Best Available Technology Economically Achievable Under Section 301(c) of the Act [Reserved] -
F
Subpart F—Criteria for Granting Water Quality Related Variances Under Section 301(g) of the Act [Reserved] -
G
Subpart G—Criteria for Modifying the Secondary Treatment Requirements Under Section 301(h) of the Clean Water Act Sections 125.56–125.68; Appendix to -
H
Subpart H—Criteria for Determining Alternative Effluent Limitations Under Section 316(a) of the Act Sections 125.70–125.73 -
I
Subpart I—Requirements Applicable to Cooling Water Intake Structures for New Facilities Under Section 316(b) of the Act Sections 125.80–125.89 -
J
Subpart J—Requirements Applicable to Cooling Water Intake Structures for Existing Facilities Under Section 316(b) of the Clean Water Act Sections 125.90–125.99 -
K
Subpart K [Reserved] -
L
Subpart L—Criteria and Standards for Imposing Conditions for the Disposal of Sewage Sludge Under Section 405 of the Act [Reserved] -
M
Subpart M—Ocean Discharge Criteria Sections 125.120–125.124 -
N
Subpart N—Requirements Applicable to Cooling Water Intake Structures for New Offshore Oil and Gas Extraction Facilities Under Section 316(b) of the Act Sections 125.130–125.139