{"data":{"id":"us/40-cfr-429.90","jurisdiction":"us","citation":"40 CFR 429.90","heading":"Applicability; description of the wood preserving—Boulton subcategory.","body":"This subpart applies to discharges to waters of the United States and to the introduction of process wastewater pollutants into a publicly owned treatment works from wood preserving operations which use the Boulton process as the predominant method of conditioning stock.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 429—TIMBER PRODUCTS PROCESSING POINT SOURCE CATEGORY","Subpart H—Wood Preserving—Boulton Subcategory"],"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":"16e6f4da9fe57a4362bfabb62c1bfab9d360c84bbca0c91c1dbf3f51a56ec234","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-429.86","next":"us/40-cfr-429.91"},"notice":"GroundRules: Original legal text. Not legal advice."}