(3) Safety precautions for personnel.
(a.) Personnel engaged in purging operations will not wear wool, nylon, silk, rayon or other
similar static electricity generating clothing.
(b.) Clean cotton
removed from pockets.
(c.) Rubber boots
clothing with no metal buttons or fittings will be worn.
will be worn.
(d.) Cotton rags will be used for
(4) purging procedures.
All contents will be
cleaning. Material that may generate static electricity will not
(a.) Completely drain all liquid from the tank to be purged. Be sure the drained liquid is removed
from the area where work will be performed. Remove all flammable liquid from the floor and liquid-
soaked waste from the area.
(b.) Remove all accessory items that might entrap liquid and close or seal all drains.
(c.) Fill the tank and overflow with cold water for five minutes. Drain the tank completely.