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Discharge and Drair <br /> F R G <br /> ENVIR-UNMENIAL Controls <br /> Discharge and drainage controls prevent spills or relec- <br /> oil storage and fuel dispensing areas from flowing dir( <br /> site into the sewer or storm drainage system. <br /> They can include: <br /> Berms and curbing <br /> • Sloped surfaces <br /> • <br /> Swales r <br /> • Catch Basins <br /> • Trenches <br /> • Clarifiers <br /> • Retention basins u , K <br /> � t7 <br /> MV <br /> Your cleaner business is ou <br />