{"data":{"id":"us/40-cfr-450.10","jurisdiction":"us","citation":"40 CFR 450.10","heading":"Applicability.","body":"(a) This part applies to discharges associated with construction activity required to obtain NPDES permit coverage pursuant to 40 CFR 122.26(b)(14)(x) and (b)(15).\n(b) The provisions of § 450.22(a) do not apply to discharges associated with interstate natural gas pipeline construction activity.\n(c) The New Source Performance Standards at § 450.24 apply to all new sources and are effective February 1, 2010.\n(d) The BPT, BCT and BAT effluent limitations at §§ 450.21 through 450.23 apply to all sources not otherwise covered by paragraph (c) of this section and are effective February 1, 2010.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 450—CONSTRUCTION AND DEVELOPMENT POINT SOURCE CATEGORY","Subpart A—General Provisions"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"3ab4fda2a224c0e262a97922eb155516e2a6e03d56093e4c7bb08a93f837987a","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-appendix-a-to-part-449","next":"us/40-cfr-450.11"},"notice":"GroundRules: Original legal text. Not legal advice."}