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SITE HEALTH & SAFETY PLAN <br /> i <br /> Xylene <br /> This material is a clear liquid with a flash point of 100oF. <br /> The TLV is currently established at 100 ppm in air, and is currently <br /> under study as a possible carcinogen. <br /> It is currently not anticipated that the potential levels of exposure <br /> will reach PEL or TLV limits, but this is based solely on limited <br /> available specific information. It is planned that inhalation and <br /> dermal contact will be the potential exposure pathways of concern. <br /> Protective hand coverings, including outer and under gloves will be <br /> mandatory for all field operations personnel. In addition, respiratory <br /> protective devices shall . be required to be available to each person in <br /> the Exclusion Zone, or within easy reach of those persons working in the <br /> Contamination Reduction Zone, should irritating odors or irritation of <br /> respiratory tract become detectable. <br /> The appropriate air-purifying respiratory protective devices, that are <br /> required to be available for all personnel . working on=site, will be <br /> fitted with organicvapor cartridges and dust pre-filters; or with the <br /> high efficiency, organic vapor/NEPA stack type cartridge. Typically, if, <br /> the respiratory protective devices are worn, the cartridge ;; will need to <br /> be changed daily.. <br /> In addition, during the drilling activities in the areas where increased <br /> levelslevels of vapor were previously recorded, personnel working within the <br /> exclusion zone will monitor wind direction and speed, and will operate <br /> from the upwind side of the boring location. <br /> I <br /> I <br /> 10 <br /> I <br />