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THE <br /> MARK <br /> MrSIGROUP <br /> ENGINEERS E GEOLOGISTS, INC Site-Specific Health and Safety Plan <br /> ENVIIZONMENTAL MONITORING EQUIPMENT <br />' Check if <br /> Required Tyne of Equipment When Recorded Where Recorded <br /> X Photo Ionization Detector During the drilling and sampling, soil samples will be screened twice <br /> per borehole This will mummuze the likelihood of exposure during <br />' sampling and a"gross" assessment of the vertical extent of soils <br /> potentially impacted by volatile organic compounds <br /> _ Oxygen Monitor <br /> HNU <br /> _ OVA <br /> Field GC <br /> _ Scintillometer <br /> Gieger Counter <br /> Colorimetric Tubes <br /> Dosimeters/Film Badges <br /> Other <br /> r <br /> COMPOUND AND CONCENTRATION ACTION LEVELS <br /> Project action levels are determined by the potential total petroleum hydrocarbons (TPI) levels that may be <br /> encountered during sampling Action levels will be determined using a photo ionization detector (PTD) at the <br /> previously described sampling points The determined action levels' concentrations and corresponding courses of action <br /> are as follows <br /> 1 When air readings are found to be at or above 50 parts per million (ppm) half face respirators with <br />' organic vapor cartridges will be worn by all personnel <br /> 2 At concentrations of hydrocarbons in air of 500 ppm personnel will move away from the site and further <br />' evaluation of the site and procedures will become necessary It is not expected that this action level will be <br /> reached at any time during the project <br /> 3 Third level of action would address the general public in the vicinity of the project site The potential for <br /> this level of action is extremely unlikely <br /> • <br />