{"data":{"id":"us/40-cfr-figure-c-1-to-subpart-c-of-part-53","jurisdiction":"us","citation":"40 CFR Figure C-1 to Subpart C of Part 53","heading":"Figure C-1 to Subpart C of Part 53—Suggested Format for Reporting Test Results for Methods for SO 2, CO, O 3, NO 2","body":"Candidate Method\nReference Method\nApplicant\n□ First Set □ Second Set □ Type □ 1 Hour □ 24 Hour\nConcentration range Date Time Concentration, ppm Difference Table C-1 spec. Pass or fail\nCandidate Reference\nLow 1\n____ ppm 2\nto ____ ppm 3\n4\n5\n6\nMedium 1\n____ ppm 2\nto ____ ppm 3\n4\n5\n6\nHigh 1\n____ ppm 2\nto ____ ppm 3\n4\n5\n6\n7\n8\nTotal Failures:","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 53—AMBIENT AIR MONITORING REFERENCE AND EQUIVALENT METHODS","Subpart C—Procedures for Determining Comparability Between Candidate Methods and Reference Methods"],"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":"e9b070c1e4d7e60f871505634581abf0586159b5ed0f5894a0adb6ac1cbd546e","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-c-5-to-subpart-c-of-part-53","next":"us/40-cfr-figure-c-2-to-subpart-c-of-part-53"},"notice":"GroundRules: Original legal text. Not legal advice."}