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works. The level of protection, and any upgrading or downgrading, will be determined by the <br />SSHO. The following personal protection equipment (PPE) is for all TAIT workers and <br />subcontractors: <br />• Safety Vest (at all times) <br />• Safety glasses (at all times) <br />• Hard Hat (at all times) <br />Half or Full -face air -purifying respirators (as required) <br />• Hearing protection (as required) <br />Nomex Coveralls or Tyvek suits (as required) <br />• Work gloves (as required) <br />Nitrile gloves (as required) <br />7.4 MONITORING EQUIPMENT <br />A Photo Ionization Detector (PID) Instrument, such as a Mini Rae 2000, or equivalent, will be <br />used to identify levels of hexane in job site soil while performing excavations. A four -gas <br />meter will be used to identify any atmospheric deficiencies in oxygen, lower explosive limits, <br />and any potential for toxic vapors, such as carbon monoxide or hydrogen sulfide, in the work <br />areas. <br />All personnel leaving the active work area will be required to decontaminate personal <br />protective clothing in the Decontamination Zone prior to leaving the site for breaks, lunch or <br />end of work shift. The following operations, appropriate to protection level, are to be <br />accomplished for decontamination. Wash boots and outer gloves in TSP and water, rinse and <br />remove outer gloves. Remove and bag Tyvek. If cotton coveralls are used, remove and bag <br />prior to reweaving. If worn, remove respirator, and wash in TSP and rinse in water. Remove <br />surgical gloves and dispose in a plastic trash bag. Wash hands and face. Take a shower and <br />wash hair as soon as possible after leaving site. <br />5/21/09 revision 5 12 <br />