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GENESIS ENGINEERING& REDEVELOPMENT Level C • Half- or full-face respirators with organic vapor cartridges and high efficiency particulate filters (see Section 4.0 for use requirements) • Chemical-resistant (nitrile) gloves • Chemical-resistant boots • TyveO or Saranex outer garment All field personnel assigned to work in the Project area in which respiratory protection may be necessary will be required to have been fit-tested for and trained in the use, limitations, care, and maintenance of air-purifying respirators. 6.0 EXPOSURE MONITORING The selective monitoring of high-risk workers (i.e., those who are closest to the source of chemicals of concern)may be conducted as determined by the CHSO. Workers are not expected to be exposed to sources of chemicals of concern during site work but exposure monitoring may be initiated if sources of hazardous materials are identified. This approach is based on the rationale that the probability of significant exposure varies directly with the distance from the source. If workers closest to the source are not significantly exposed then all other workers are, presumably, also not significantly exposed and probably do not need to be monitored. Personal monitoring samples may be collected at the discretion of the Field Team Leader or Health Safety Officer in the breathing zone and, if workers are wearing respiratory protective equipment, outside the face-piece. These samples would represent the actual inhalation exposure of workers who are not wearing respiratory protection and the potential exposure of workers who are wearing respirators. Personnel monitoring may be executed via a passive 3M® 500 Organic Vapor Monitor,which contains a single sorbent wafer for collection and analysis of organic vapors by gas chromatography. 7.0 SITE ACCESS Access to the work locations during field activities will be controlled and unauthorized personnel and visitors shall not be allowed access to the Project Exclusion Area(see Section 8). Only personnel with specific operational duties should be present in the Exclusion Area, when field operations are being conducted. Site control at work locations shall be established using barricades, cones, and flagging tape, as needed to prevent unauthorized access to the Exclusion Area during work. Health and Safety Plan 10 of 16 DePaoli Property November 14,2007