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U-Haul <br /> Facility Number 709-83,450 North Cherokee Lane <br /> Lodi, California <br /> WPI Project#96237 <br /> HEALTH AND SAFETY PLAN <br /> Page 16 <br /> B. If OVA measurements exceed 100 ppm in the breathing zone, the job will be shutdown <br /> until procedures to lower the concentrations have been taken or the PPE has been <br /> upgraded to Level B (supplied air respirators). <br /> 5.2.2 Site Monitoring <br /> Site monitoring will be accomplished by use of appropriate portable organic vapor analyzers, <br /> including combustible gas indicators (for determining lower explosive limit and oxygen <br /> concentrations), photo-ionization detectors (Hnu, or Photovac TIP or Microtip) or flame <br /> ionization detectors (Foxboro OVA, etc.). An appropriate instrument or instruments will be used <br /> to identify on-site hydrocarbon vapors, especially during excavation operations, to assist in <br /> determining contamination levels and to identify the methods of sampling and analytical <br /> procedures to be employed. <br /> Field measurements will be utilized for assessment of worker and community exposures. The <br /> field measurements will be obtained to determine the appropriate protective equipment (See <br /> Section 6.1) and site controls (See Section 7.1). <br /> SECTION 6.0 <br /> 6.1 PROTECTIVE EQUIPMENT REQUIREMENTS <br /> Personal protective equipment will be appropriate to protect against the potential hazards at each <br /> site. Protective equipment will be selected based on the contaminant type(s), concentration(s), <br /> and routes of entry. In situations where the type of materials and possibilities of contact are <br /> unknown, or the hazards are not clearly identifiable, a higher level of safety gear will be utilized. <br />