Tanks and filling and delivery hose connections shall be cleaned and sanitized

Tanks and filling and delivery hose connections shall be cleaned and sanitized regularly. The tank shall be sealed always unless being filled, being cleaned and sanitized and when the water is being delivered. A record of such cleaning and sanitizing shall be maintained with the vehicle and shall be available when requested by the Department. Pumps, hoses, connections and fittings shall be capped and protected from contamination when not in use. The tank manhole shall not be used as a means of filling the tank. During delivery of bulk water, to prevent collapse of the tank, the manhole may be opened but shall be provided with a single service air filter to prevent contamination.