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• BMP C153: Material Delivery, Storage and Containment <br />Purpose <br />Prevent, reduce, or eliminate the discharge of pollutants to the <br />stormwater system or watercourses from material delivery and storage. <br />Minimize the storage of hazardous materials on -site, store materials in a <br />designated area, and install secondary containment. <br />Conditions of Use <br />These procedures are suitable for use at all construction sites with <br />delivery and storage of the following materials: <br />• 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 <br />and curing compounds <br />• Any other material that may be detrimental if released to the <br />environment <br />Design and <br />The following steps should be taken to minimize risk: <br />Installation <br />Specifications <br />Temporary storage area should be located away from vehicular traffic, <br />near the construction entrance(s), and away from waterways or storm <br />drains. <br />• Material Safety Data Sheets (MSDS) should be supplied for all <br />materials stored. Chemicals should be kept in their original labeled <br />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 <br />materials in a covered area. <br />• Materials should be stored in secondary containments, such as earthen <br />dike, horse trough, or even a children's wading pool for non -reactive <br />materials such as detergents, oil, grease, and paints. Small amounts of <br />material may be secondarily contained in "bus boy" trays or concrete <br />mixing trays. <br />• Do not store chemicals, drums, or bagged materials directly on the <br />ground. Place these items on a pallet and, when possible, and within <br />secondary containment. <br />• If drums must be kept uncovered, store them at a slight angle to reduce <br />ponding of rainwater on the lids to reduce corrosion. Domed plastic <br />covers are inexpensive and snap to the top of drums, preventing water <br />is from collecting. <br />Volume H — Construction Stormwater Pollution Prevention - August 2012 <br />4-45 <br />