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Regulations last checked for updates: May 13, 2025
Title 40 - Protection of Environment last revised: Nov 13, 2025
All Titles
Title 40
Chapter I
Part 430
Subpart F - Subpart F—Semi-Chemical Subcategory
§ 430.60 - Applicability; description of the semi-chemical subcategory.
§ 430.61 - Specialized definitions.
§ 430.62 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§ 430.63 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
§ 430.64 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§ 430.65 - New source performance standards (NSPS).
§ 430.66 - Pretreatment standards for existing sources (PSES).
§ 430.67 - Pretreatment standards for new sources (PSNS).
authority:
Sections 301, 304, 306, 307, 308, 402, and 501 of the Clean Water Act, as amended, (
33 U.S.C. 1311
,
1314
,
1316
,
1317
,
1318
,
1342
,
and
,
and
,
as
.S.C. 7412)
source:
63 FR 18635, Apr. 15, 1998, unless otherwise noted.
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