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Regulations last checked for updates: Feb 11, 2026
Title 40 - Protection of Environment last revised: Dec 22, 2026
All Titles
Title 40
Chapter I
Part 429
Subpart N - Subpart N—Insulation Board Subcategory
§ 429.150 - Applicability; description of the insulation board subcategory.
§ 429.151 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§ 429.152 - [Reserved]
§ 429.153 -
§ 429.154 - New source performance standards (NSPS).
§ 429.155 - Pretreatment standards for existing sources (PSES).
§ 429.156 - Pretreatment standards for new sources (PSNS).
source:
46 FR 8285, Jan. 26, 1981, unless otherwise noted.
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