WAC 296-307-42023. Other requirements that apply to non-DOT containers

(1) Aboveground containers must be kept properly painted. (2) Vaporizers for internal combustion engines must meet the requirements of WAC 296-307-42515 . (3) Gas regulating and mixing equipment for internal combustion engines must meet the requirements of WAC 296-307-42517 . (4) Where vaporized gas on the low-pressure side of the system may condense to a liquid at normal operating temperatures and pressures, means must be provided to revaporize condensate. (5) The employer must protect LP-gas systems against damage from vehicular traffic. (6) Avoid the use of pits when possible, except pits fitted with automatic flammable vapor detecting devices. No drains or blowoff lines must be directed into or in proximity to sewer systems used for other purposes.