{"data":{"id":"us/40-cfr-1066.620","jurisdiction":"us","citation":"40 CFR 1066.620","heading":"Removed water correction.","body":"Correct for removed water if water removal occurs upstream of a concentration measurement and downstream of a flow meter used to determine mass emissions over a test interval. Perform this correction based on the amount of water at the concentration measurement and on the amount of water at the flow meter.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER U—AIR POLLUTION CONTROLS","PART 1066—VEHICLE-TESTING PROCEDURES","Subpart G—Calculations"],"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":"eea1bdd722551cf114b9aca1493aba4c9cd529b7c5e959ef7916ab014d324347","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-1066.615","next":"us/40-cfr-1066.625"},"notice":"GroundRules: Original legal text. Not legal advice."}