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WEISS ASSOCIATES PM, <br /> 3 LEVELS OF PERSONAL PROTECTION EQUIPMENT <br /> For work around the drilling area, Level D personal protection will be employed. If <br /> vapors are encountered, Level C protection will be worn, except when vapor <br /> concentrations exceed 700 ppm. At that time, work will be terminated until vapor levels <br /> can be better controlled, or self-contained breathing apparatus will be used. <br /> Levels of Protection <br /> Level D, C and B protection consists of: <br /> Level D <br /> o Work uniform with long sleeves and long pants <br /> 0 Chemical-resistant steel-toed boots <br /> o Approved hard hat (for heavy equipment operations only) <br /> o Approved safety glasses and, as necessary, side shields and/or face shields <br /> o Gloves <br /> Level C <br /> o NIOSH-approved Tyvek coveralls and air-purifying cartridge-equipped <br /> respirators. <br /> o Chemical-resistant outer and inner gloves <br /> o Approved hard hat (for heavy equipment operations only) <br /> o Approved safety glasses and, as necessary, side shields and/or face shields <br /> 0 Chemical-resistant steel-toed boots with chemically protective outer boots <br /> WP1F:\ALL\331DWG\331RIAP8.DOC:74-331-00:V1.038 Page 7 <br />