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MinnMOti <br />Pollution <br />Control <br />Agonoy <br />Thu fact sheet dbcusses <br />recommended waste <br />management options for <br />Jloor drains and <br />JIammable traps. Keeping <br />hazardous substances out <br />of drains and plumbing <br />makes trap wastes easier <br />tmd cheaper to manage. <br />In this fact sheet <br />Problem ......................1 <br />Solution ......................1 <br />Maintenance................2 <br />Waste Management <br />Options ..................2 <br />BMP Chart.................2 <br />For more information ...4 <br />■............................- <br />Managing Floor Drains <br />and Flammable Traps <br />Hazardous V\teste Division Fact Sheet #4.18 April 1998 <br />Problem Diagram 1: 3-Phase Trap Waste <br />Washing and <br />maintenance <br />of vehicles, <br />machinery, <br />trailers, other <br />equipment and <br />floors could <br />allow a lot of <br />vehicle fluids <br />and other <br />materials into <br />trc'K v; <br />r v-i '-1 <br />, accumulateda floor dram- sediment <br />resulting in a <br />three-phase waste <br />(floating oils, dirty water, <br />sludge) collecting in traps <br />that must be evaluated <br />and managed appropriately. Using good <br />housekeeping methods and following <br />the Best Management Practices outlined <br />on page 5 will help to make sure this <br />waste is nonhazardous, making it easier <br />and cheaper to manage. <br />to sewer or <br />holding tank <br />floating oils <br />dirty water— <br />sludge — <br />Solution <br />Prevention is the best solution! Here <br />are some preventive measures to <br />consider <br />Businesses discharging industrial wastes <br />to a holding tank or an on-site disposal <br />(septic) system have additional <br />concerns. If discharging to a holding <br />tank, businesses must carefully monitor <br />materials enterir.g the tank to ensure <br />contents can be pumped and land <br />applied or discharged into a wastewater <br />treatment plant (WWTP) system. Do <br />not discharge industrial materials into <br />septic systems as ground water <br />contamination may occur and result in <br />expensive environmental cleanups. <br />I. Use good housekeeping techniques <br />and follow the Best Management <br />Practices outlined on page S. <br />2. ’’ How good storage procedures: <br />Use curbs or berms when possible; <br />consider additional measures <br />bey ond those required for insurance <br />purposes. <br />3. Cap drains in storage areas; <br />eliminate them, if possible. <br />Minnesota Foltution Control Agency. 520 Lateyette Road North. SL Paul, Minnesota 55155-4194 <br />(612) 296-6300. TDD v6l2) 282-5332. toll-free (800) 657-3864 <br />Upon request, this metenai can be *race avaiiaPie m eNemativt formats for people with dieabiiitftt. <br />0 Printed on recyced paper contair r; at taut 20 percent fibers from paper recycM.by consumen.