40 CFR 1065.248
§ 1065.248 Gas divider.
United States · 40 CFR — Protection of Environment · Status: effective
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- Citation
- 40 CFR 1065.248, § 1065.248 Gas divider, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/195704
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Full text
(a) Application. You may use a gas divider to blend calibration gases.
(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.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.