{"data":{"id":"us/40-cfr-61.137","jurisdiction":"us","citation":"40 CFR 61.137","heading":"Test methods and procedures.","body":"(a) Each owner or operator subject to the provisions of this subpart shall comply with the requirements in § 61.245 of 40 CFR part 61, subpart V.\n(b) To determine whether or not a piece of equipment is in benzene service, the methods in § 61.245(d) shall be used, except that, for exhausters, the percent benzene shall be 1 percent by weight, rather than the 10 percent by weight described in § 61.245(d).","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 61—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS","Subpart L—National Emission Standard for Benzene Emissions from Coke By-Product Recovery Plants"],"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":"8048f73193c809c4df933d78f0d8eea0d4d3178004d175a524ab7075de978c25","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-61.136","next":"us/40-cfr-61.138"},"notice":"GroundRules: Original legal text. Not legal advice."}