{"data":{"id":"us/40-cfr-appendix-iii-to-part-257","jurisdiction":"us","citation":"40 CFR Appendix III to Part 257","heading":"Appendix III to Part 257—Constituents for Detection Monitoring","body":"Common name 1\nBoron\nCalcium\nChloride\nFluoride\npH\nSulfate\nTotal Dissolved Solids (TDS)\n1 Common names are those widely used in government regulations, scientific publications, and commerce; synonyms exist for many chemicals.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER I—SOLID WASTES","PART 257—CRITERIA FOR CLASSIFICATION OF SOLID WASTE DISPOSAL FACILITIES AND PRACTICES"],"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":"19a98f31ef22500051e9218f9cd5825799883a178d51b0b70162613251219087","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-appendix-ii-to-part-257","next":"us/40-cfr-appendix-iv-to-part-257"},"notice":"GroundRules: Original legal text. Not legal advice."}