The device must be equipped with one of the following:
(a) A means of indicating the amount in the device of any chemical that is necessary for its effective operation.
(b) A means of indicating when chemicals must be added for the proper continued operation of the device.
authority: 33 U.S.C. 1322(b)(1);
49 CFR 1.45(b). Subpart E also issued under authority of sec. 1(a)(4), Pub. L. 106-554, 114 Stat. 2763; Department of Homeland Security Delegation No. 0170.1
source: CGD 73-83, 40 FR 4624, Jan. 30, 1975, unless otherwise noted.
cite as: 33 CFR 159.65