30 CFR 56.4502 - Battery-charging stations.
(a) Battery-charging stations shall be ventilated with a sufficient volume of air to prevent the accumulation of hydrogen gas.
(b) Smoking, use of open flames, or other activities that could create an ignition source shall be prohibited at the battery charging station during battery charging.
Title 30 published on 2013-07-01
no entries appear in the Federal Register after this date.