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FUEL OIL NO. 2 331 Combustible Liquid TECMWQvE MECHANICAL REMOVAL Contaminated soil and spilled product may be removed by&hovels, motorized graders and scrapers, loaders, bulldozers,and draglines ' CONSEQUENCE Removal equipment may become contaminated and present a barard to later users Incompatible equipment may be damaged or corroded Improper storage of removed materials may result in future spread of contamination. ' MITIGATION Decontaminate all equipment atter use Use equipment compatible with spilled product Store contaminated materials in safe and secure location. IWATER SPILL TECJMZQUE ' STOP USE . . Notify downstream industrial, municipal,and public users to monitor water for contamination. water intake or to CONSEQUENCE Alternative water supplies may be needed to accommodate uses,. ' AIMGATION Provide alternative water supplies as needed until water supply is declared safe. TECMWQUE ' FLOATING BOOMS/BARRIERS... Oil spill contarnmmnt booms of compatible material may be deployed.Alteenattvely. meati or nets may be strung across stream and anchored every 6-8 feet. Straw or peat placed on upstream side of mesh should absorb and retard spreading of spelled product. CONSEQEMNCE Leakage may occur under or through barrier if high waves or current present or if not properly deployed.Incompatible materials may be damaged by spelled product. Booms,barrier materials, and deployment equipment may be aaritaminated. Fere hazards pose risk to response personnel ' and equipment. MITIGATION Proceed with caution.Stage barriers in series where necessary Recover spilled product as soon ' as passible- Decontaminate equipment after use. Dispose of waste materials is proper and safe maaaer. Use compatible equipment. Eliminate ignition sources TECAIVIQUE WATER BY-PASS DAMS...Streams may be provided with a by-pans dam.This ea a dam made of .. ' compacted earth,clay,or other matartal with open tubes or pipes passing through under wirer. Upstream ends of popes or tubes should be well below the layer of floating contaminant. Downstream ends should be at a higher elevation but still below the floating layer. Valves may be installed an downstream ends to control water flow CONSEQUENCE Earthen dams may become saturated with water and asap through or collapse.An manfetent number of by-pass tubes or pipes or additional water may cause overflow. ' 1lQ'I'IGATION Use sufficient number and rapacity of tubes or pipes, Be alert to cm&twm that my lead to -dam overflow or collapse.Reese spilled product as soon as possible ' TECMUQUE DIVERSION... Where other means are unavailable,floatuig slicks maybe temporary her" diverted.or controlled using water bone streams,small boat Fmpeller wash or chemist sergom tension modifiers known as spill herders. - COMMQUENCR Hose stream and FmPeller washes have Lmuted applicability and effechvenem The latter may cause undesired 1"I of spilled product and water due to extreme agitatiau. Cheaucil spin herders should not be used until approval is obtained from authorised eatron t metals. AWNGAITON Use other means if available.