40 CFR Part 125
CRITERIA AND STANDARDS FOR THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
June 9, 2020
Subpart
B
Criteria for Issuance of Permits to Aquaculture Projects
Subpart
A
Criteria and Standards for Imposing Technology-Based Treatment Requirements Under Sections 301(b) and 402 of the Act
Subpart
C
[Reserved]
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
Subpart
E
Criteria for Granting Economic Variances From Best Available Technology Economically Achievable Under Section 301(c) of the Act [Reserved]
Subpart
F
Criteria for Granting Water Quality Related Variances Under Section 301(g) of the Act [Reserved]
Subpart
G
Criteria for Modifying the Secondary Treatment Requirements Under Section 301(h) of the Clean Water Act
Subpart
H
Criteria for Determining Alternative Effluent Limitations Under Section 316(a) of the Act
Subpart
I
Requirements Applicable to Cooling Water Intake Structures for New Facilities Under Section 316(b) of the Act
Subpart
J
Requirements Applicable to Cooling Water Intake Structures for Existing Facilities Under Section 316(b) of the Clean Water Act
Subpart
K
[Reserved]
Subpart
L
Criteria and Standards for Imposing Conditions for the Disposal of Sewage Sludge Under Section 405 of the Act [Reserved]
Subpart
M
Ocean Discharge Criteria
Subpart
N
Requirements Applicable to Cooling Water Intake Structures for New Offshore Oil and Gas Extraction Facilities Under Section 316(b) of the Act
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