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Sample analysis will be carried out in accordance with NIOSH method 7082 (lead) and <br />NIOSH method 1501 (organic vapors). All industrial hygiene samples will be analyzed by <br />either rr's Cerritos Lab or Cincinnati Lab; both of which are AIHA accredited laboratories. <br />3.10 Site Control <br />Site conditions and planned activities do not call for the imposition of rigid access control <br />zones. At each excavation or soil pile location the IT Project Manager, in consultation with <br />the project CIH, shall implement a work zone system that will be sufficient to limit employee <br />exposure and prevent the dispersion of hazardous components. This will consist of clarifying: <br />• Where/when protective clothing must be worn <br />• Where protective clothing will be donned <br />• Where protective clothing will be removed <br />• What must be done with contaminated protective clothing. <br />If on-site conditions change such that an upgrade in PPE is necessary, the area around that <br />site will be more rigidly defined. First, the area will be divided into the following three <br />zones: Exclusion, Contamination Reduction, and Support Zones. Barricade tape will be <br />suspended approximately two feet above the land surface and encompass the two inner zones <br />(Exclusion and Contamination Reduction zones). At no time will non-essential personnel be <br />allowed within 50 feet of construction equipment. <br />3.11 Personnel and Equipment Decontamination <br />All PPE will be decontaminated or removed before leaving the work areas. Should conditions <br />require the level of protection to be upgraded, the decontamination procedures will be <br />modified by the project SSHO, with approval from the project CIH. <br />If the level of protection is upgraded, the Contamination Reduction Zone (the area between <br />the Exclusion and Support Zones) will be the area in which all personnel perform <br />decontamination procedures to prevent the transport of contaminants away from the exclusion <br />zone. A vital component of the procedure is the presence of a clearly marked <br />decontamination line. When chemical protective clothing is worn within the exclusion zone, <br />MW07-07-97JEES/ENG/2054r 3-14 <br />