{"data":{"id":"us/40-cfr-116.2","jurisdiction":"us","citation":"40 CFR 116.2","heading":"Abbreviations.","body":"ppm = parts per million\nmg = milligram(s)\nkg = kilogram(s)\nmg/l = milligrams(s) per liter= (approx.) ppm\nmg/kg = milligram(s) per kilogram= (approx.) ppm","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER D—WATER PROGRAMS","PART 116—DESIGNATION OF HAZARDOUS SUBSTANCES"],"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":"8b2bcf26eec63b3911d16d33def911f99a69a6d8d7bb27f683d3d87250376195","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-116.1","next":"us/40-cfr-116.3"},"notice":"GroundRules: Original legal text. Not legal advice."}