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WORK ZONES <br /> During soil excavation and well drilling operations, a work zone around the immediate <br /> vicinity of the project will be established and taped off. Only authorized personnel will be <br /> permitted to enter the work zone. Authorized personnel will include those who have duties <br /> requiring their presence in the work zone land have read this site safety plan. Work zones <br /> are also created to aid in the decontamination of equipment and personnel. The following <br /> describes the zones to be established: <br /> Exclusion Zone <br /> A 75 foot around the work area will be defined before work starts. The area inside the <br /> circle will constitute the"Exclusion Zone". The Exclusion Zone constitutes the area where <br /> the potentially hazardous air borne contaminate and physical hazards to the workers exist. <br /> Full personal protection must be available to all personnel in this area. The size of the <br /> Exclusion Zone may be changed to accommodate site conditions and to assure contaminate <br /> containment. <br /> Contamination Reduction Zone <br /> A formal decontamination zone should not be required during the preliminary investigation. <br /> However, an area will be designated in the event extreme gasoline contamination is <br /> encountered. The decontamination zone will be an area where personnel can clean <br /> protective equipment. A waste contaminated equipment can be placed inside and covered. <br /> Sunnort Zone <br /> A Support Zone, the outermost zone, must be defined for each field activity. Support <br /> equipment is located in this uncontaminated or clean area. Normal work clothes are <br /> appropriate within this zone. The location of this zone depends on factors such as <br /> accessibility, wind direction (it should be up wind of excavation), and resources (e.g. roads, <br /> utilities, shelter). <br /> DECONTAMINATION PROCEDURES <br /> Petroleum hydrocarbon liquids and vapors are anticipated. Due to the volatile nature of <br /> hydrocarbons that may be encountered during the initial excavation and sampling <br /> operations, decontamination of equipment and vehicles will be minimal importance since <br /> A:\HEAL&SAF\TANK.001 29 January 1993 <br /> 8 <br />