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durable, corrosion resistant to the weather and fluid content, non-absorbent, water tight,
<br /> rodent-proof, and equipped with a close fitting cover.
<br /> ▪ For the temporary storage of solid wastes contaminated with liquids or other potential polluted
<br /> materials use dumpsters, garbage cans, drums, and comparable containers,which are dur-
<br /> able, corrosion resistant, non-absorbent, non-leaking, and equipped with either a solid cover
<br /> or screen cover to prevent littering. If covered with a screen, the container must be stored
<br /> under a roof or other form of adequate cover.
<br /> • Where exposed to stormwater, use containers, piping, tubing, pumps,fittings, and valves that
<br /> are appropriate for their intended use and for the contained liquid.
<br /> . Clean oils, debris, sludge, etc.from all stormwater facilities regularly, including catch basins,
<br /> settling/detention basins, oil/water separators, boomed areas, and conveyance systems to
<br /> prevent the contamination of stormwater. Refer to Ecology Requirements for Generators of
<br /> ._....___..
<br /> Dangerous Wastes in 1-2.15 Other Requirements for references to assist in handling poten-
<br /> tially dangerous waste.
<br /> . Promptly repair or replace all substantially cracked or otherwise damaged paved secondary
<br /> containment, high-intensity parking, and any other drainage areas, subjected to pollutant
<br /> material leaks or spills. Promptly repair or replace all leaking connections, pipes, hoses,
<br /> valves, etc., which can contaminate stormwater.
<br /> . Do not connect floor drains in potential pollutant source areas to storm drains, surface water,
<br /> or to the ground.
<br /> Recommended BMPs:
<br /> . Where feasible, store potential stormwater pollutant materials inside a building or under a
<br /> cover and/or containment.
<br /> . Minimize use of toxic cleaning solvents, such as chlorinated solvents, and other toxic chem-
<br /> icals.
<br /> . Use environmentally safe raw materials, products, additives, etc. such as substitutes for zinc
<br /> used in rubber production.
<br /> . Recycle waste materials such as solvents, coolants, oils, degreasers, and batteries to the max-
<br /> imum extent feasible. Contact Ecology's Hazardous Waste& Toxics Reduction Program at
<br /> https://ecology.wa.gov/About-us/Get-to-know-us/Our-Programs/Hazardous-Waste-Toxics-
<br /> Reduction for recommendations on recycling or disposal of vehicle waste liquids and other
<br /> waste materials.
<br /> . Empty drip pans immediately after a spill or leak is collected in an uncovered area.
<br /> . Stencil warning signs at stormwater catch basins and drains,e.g., "Dump no waste—Drains
<br /> to waterbody".
<br /> . Use solid absorbents, e.g., clay and peat absorbents and rags for cleanup of liquid spills/leaks,
<br /> where practicable.
<br /> . Promptly repair/replace/reseal damaged paved areas at industrial facilities.
<br /> 2019 Stormwater Management Manual for Western Washington
<br /> Volume IV-Chapter 1 -Page 500
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