42 CFR 84.94 - Gas flow test; closed-circuit apparatus.
(a) Where oxygen is supplied by a constant-flow device only, the rate of flow shall be at least 3 liters per minute for the entire rated service time of the apparatus.
(b) Where constant flow is used in conjunction with demand flow, the constant flow shall be greater than 1.5 liters per minute for the entire rated service time.
Title 42 published on 2014-10-01
no entries appear in the Federal Register after this date.