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D1 . PERSONAL SAFETY <br /> SITE ENTRY PROCEDURES: <br /> PERSONNEL PROTECTION: <br /> Level of protection: ti B C D X <br /> Modifications: <br /> 1. All personnel must •rear hard hat, safety shoes, safety <br /> glasses and/or face shield. <br /> 2 . Neoprene gloves and tyvek/s ranax suit should be worn if <br /> contact with contaminated water or soil is likely. <br /> Hearing protection must be worn if noise levels prevent <br /> normal conversation at a distance of three feet. No <br /> smoking, eating, or drinking is allowed on site. <br /> 4 . Respiratory protection is de endent on conditions listed <br /> in next section. <br /> 5 . No personnel are to enter or approach any excavation area <br /> where there is a danger of wall collapse or confined space <br /> entry. <br /> Surveillance Equipment and Materials: <br /> Instrumentation Action Level Action <br /> photoionization 5 units or 5 use halfmask <br /> detector (hNu) times background respirator with <br /> (breathing zone) organic cartridges <br /> 1000 ppm eliminate all ignition <br /> sources, leave site <br /> until levels are <br /> reduced <br /> oxygen meter <19 . 5% oxygen do not enter area or <br /> confined space until <br /> levels are reduced. <br /> explosimeter >10% LEL eliminate all ignition <br /> sources <br /> >20% LEL reduce levels <br /> immediatly or leave <br /> site. <br /> ?G09?A.F+&5 5 <br />