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• Petroleum products such as fuel, oil and grease <br />• Soil stabilizers and binders (e.g., Polyacrylamide) <br />• Fertilizers, pesticides and herbicides <br />• Detergents <br />• Asphalt and concrete compounds <br />• Hazardous chemicals such as acids, lime, adhesives, paints, solvents, and curing <br />compounds <br />• Any other material that may be detrimental if released to the environment <br />Design and Installation Specifications <br />The following steps should be taken to minimize risk: <br />• Temporary storage area should be located away from vehicular traffic, near the con- <br />struction entrance(s), and away from waterways or storm drains. <br />• Material Safety Data Sheets (MSDS) should be supplied for all materials stored. <br />Chemicals should be kept in their original labeled containers. <br />• Hazardous material storage on -site should be minimized. <br />• Hazardous materials should be handled as infrequently as possible. <br />• During the wet weather season (Oct 1 — April 30), consider storing materials in a <br />covered area. <br />. Materials should be stored in secondary containments, such as earthen dike, horse <br />trough, or even a children's wading pool for non -reactive materials such as deter- <br />gents, oil, grease, and paints. Small amounts of material may be secondarily con- <br />tained in "bus boy" trays or concrete mixing trays. <br />Do not store chemicals, drums, or bagged materials directly on the ground. Place <br />these items on a pallet and, when possible, and within secondary containment. <br />• If drums must be kept uncovered, store them at a slight angle to reduce ponding of <br />rainwater on the lids to reduce corrosion. Domed plastic covers are inexpensive <br />and snap to the top of drums, preventing water from collecting. <br />Material Storage Areas and Secondary Containment Practices: <br />. Liquids, petroleum products, and substances listed in 40 CFR Parts 110, 117, or <br />302 shall be stored in approved containers and drums and shall not be overfilled. <br />Containers and drums shall be stored in temporary secondary containment facil- <br />ities. <br />• Temporary secondary containment facilities shall provide for a spill containment <br />2014 Stormwater Management Manual for Western Washington <br />Volume 11 - Chapter 4 - Page 316 <br />