Chapter 5 - Ground Crew Supplement

Weatherproof Covers

130.  Make certain that the tank covers of the trucks and the storage tanks are weatherproof and do not allow water into the tank; however, recognize that proper venting is still required. If it is suspected that water or contaminants have entered the tanks, check the product in the tanks to ensure that it meets specification(s) and if necessary thoroughly clean the tanks and ensure that the covers are repaired to a weatherproof state.