{"data":{"id":"us/40-cfr-273.4","jurisdiction":"us","citation":"40 CFR 273.4","heading":"Applicability—Mercury-containing equipment.","body":"(a) Mercury-containing equipment covered under this part 273. The requirements of this part apply to persons managing mercury-containing equipment, as described in § 273.9, except those listed in paragraph (b) of this section.\n(b) Mercury-containing equipment not covered under this part 273. The requirements of this part do not apply to persons managing the following mercury-containing equipment:\n(1) Mercury-containing equipment that is not yet a waste under part 261 of this chapter. Paragraph (c) of this section describes when mercury-containing equipment becomes a waste;\n(2) Mercury-containing equipment that is not a hazardous waste. Mercury-containing equipment is a hazardous waste if it exhibits one or more of the characteristics identified in part 261, subpart C of this chapter or is listed in part 261, subpart D of this chapter; and\n(3) Equipment and devices from which the mercury-containing components have been removed.\n(c) Generation of waste mercury-containing equipment. (1) Used mercury-containing equipment becomes a waste on the date it is discarded.\n(2) Unused mercury-containing equipment becomes a waste on the date the handler decides to discard it.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER I—SOLID WASTES","PART 273—STANDARDS FOR UNIVERSAL WASTE MANAGEMENT","Subpart A—General"],"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":"69f427d1e2032ec528cdefd32fd1f1e0489ac544208b03199c2892d05eb25bad","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-273.3","next":"us/40-cfr-273.5"},"notice":"GroundRules: Original legal text. Not legal advice."}