§1065.248. Gas divider.
40 C.F.R. § 1065.248
Application. You may use a gas divider to blend calibration gases.
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.
Notes, amendments, and revision history
Authority
Authority: 42 U.S.C. 7401-7671q.
Source
Source: 70 FR 40516, July 13, 2005, unless otherwise noted.