{"data":{"id":"us/40-cfr-413.81","jurisdiction":"us","citation":"40 CFR 413.81","heading":"Specialized definitions.","body":"For the purpose of this subpart:\n(a) The term sq ft (“sq m”) shall mean the area of the printed circuit board immersed in an aqueous process bath.\n(b) The term operation shall mean any step in the printed circuit board manufacturing process in which the board is immersed in an aqueous process bath which is followed by a rinse.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 413—ELECTROPLATING POINT SOURCE CATEGORY","Subpart H—Printed Circuit Board 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":"8106b341d1ee668e90381976b58b263c023a1067899f2240671997f035b43aa8","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-413.80","next":"us/40-cfr-413.82-413.83"},"notice":"GroundRules: Original legal text. Not legal advice."}