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expect that such formal procedures will be necessary at this site <br /> and will only proceed at the Safety Officer' s discretion. In the <br /> event extreme contamination is encountered, decontamination of <br /> personnel, equipment and vehicles will be important to insure that <br /> contamination does not spread to unsuspecting people and property. <br /> Personal decontamination mainly involves personal hygiene. <br /> Contamination should not be present on the skin if the proper <br /> protective methods specified in this plan are used. However all <br /> field personnel will be instructed to follow these guidelines to <br /> insure that contamination dose not remain on equipment, sample <br /> containers or in contact with their bodies. <br /> The field personnel sould remove their personal protective clothing <br /> in the following sequence: <br /> Step 1: Move out of the exclusion zone and into the <br /> decontamination zone. Do not remove personal protective equipment. <br /> Step 2 : Obtain decontamination solutions and decontaminate the <br /> spades, shovels and other equipment by brushing them under a water <br /> rinse. A high-pressure steam cleaner may also be used for <br /> decontamination. All wastes and spent decontamination liquids will <br /> be properly contained. <br /> Step 3 : Remove outer gloves and coveralls and place them inside a <br /> • garbage bag. Keep the air purifying respirator on. <br /> Step 4 : Move to the support zone and remove the respirator. <br /> 9. MONITORING PROGRAM <br /> Personal exposure to ambient airborne hazards will be monitored to <br /> assure that personnel exposures do not exceed acceptable limits and <br /> that appropriate selection of protective equipment items is made. <br /> Airborne hydrocarbon vapor concentrations will be measured <br /> primarily by the use of a hydrocarbon vapor meter. if <br /> concentrations approach criteria levels, all personnel will be <br /> notified of possible site safety changes. Audits may be conducted <br /> by the Safety Officer to insure compliance with the Health and <br /> Safety Plan and to provide additional support as required. <br /> 9.1 Ambient Vapor Reading <br /> A hydrocarbon vapor detector will be used during excavation <br /> activities. This instrument will be used to measure both <br /> excavation and breathing zone concentration of hydrocarbon vapors. <br /> The instrument will be calibrated on a regular schedule using known <br /> calibrated gases. <br /> Readings will be taken in the area where the field team members are <br /> working and surrounding down-wind areas. Measurements will be <br /> taken every 30 minutes where hydrocarbon vapors indicate levels <br /> 8 <br />