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• Secondary containment valves should be kept in the “off” position and locked at all times, except when <br />collected water is removed. <br />• Repair malfunctioning equipment that is responsible for any leak or spill as soon as possible. <br />• Keep cleanup equipment on hand to clean up spills immediately. <br />• Do not use vehicle fluids, oil or fuels for dust or weed control. <br /> <br /> <br />Store vehicles in rows with plenty of aisle space so vehicles can be inspected regularly for leaks. <br />Improper connections to storm sewer <br />• If it is unknown whether the sanitary water system and storm sewer system are connected, perform dye <br />testing. <br />• Update facility schematics to accurately reflect all plumbing connections. <br />• Maintain and inspect the integrity of oil-water separator tanks; replace when necessary. <br />Inspections <br />• Inspect all storage containers and storage areas to detect potential leaks. <br />• Inspect tanks and piping systems (pipes, pumps, flanges, couplings, hoses, and valves) for failures or leaks. <br />Perform preventative maintenance as needed. <br />• Inspect vehicles regularly for signs of leakage. <br />Employee training <br />• Train employees on proper collection, storage, reuse, recycling or disposal of batteries, oil, mineral spirits, <br />antifreeze, mercury switches, refrigerants and solvents. <br />• Train employees in spill prevention, control, cleanup and materials management. <br />• Train employees on good housekeeping measures including all SWPPP components. <br />Cold climate considerations <br />Minnesota experiences challenging climatic conditions that require thoughtful P2 design and operation. Cold <br />weather, snow and ice result in extended storage of pollutants in the snowpack. The following P2 activities can <br />help minimize the impact of cold climate on stormwater: Photo Credit Katie Brady Page 3 of 5 April 2015 | p-p2s8-03 <br />