{"data":{"id":"us/40-cfr-1065.248","jurisdiction":"us","citation":"40 CFR 1065.248","heading":"Gas divider.","body":"(a) Application. You may use a gas divider to blend calibration gases.\n(b) Component requirements. Use a gas divider that blends gases to the specifications of § 1065.750 and to the flow-weighted concentrations expected during testing. You may use critical-flow gas dividers, capillary-tube gas dividers, or thermal-mass-meter gas dividers. Note that your overall gas-divider system must meet the linearity verification in § 1065.307.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER U—AIR POLLUTION CONTROLS","PART 1065—ENGINE-TESTING PROCEDURES","Subpart C—Measurement Instruments"],"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":"4771ad4434e31a719def1bf0806befe4d28845ae6222c5ac461db1cb3cda90e2","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-1065.247","next":"us/40-cfr-1065.250"},"notice":"GroundRules: Original legal text. Not legal advice."}