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Outdoor Storage
Items stored outside should be kept off the ground and/or covered. Here are a few examples of improper and proper outdoor storage. Items with a high potential to pollute, such as barrels or gallons of liquid or hazardous waste, should be in secondary containment and have a closed lid.
Improper Outdoor Storage

Parts stored outside on the ground and uncovered.
Parts stored under temporary cover

Proper Outdoor Storage

Items stored off the ground and under permanent cover.