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Frontier Transportation, Inc. Health and Safety Plan Page 7 73 EXAMINATIONS Each team member may have a physical examination prior to working on-site to verify that he/she is physically able to use protective equipment (including respirators), work in hot or cold environments and have no predispositions to occupationally-induced disease. The medical program will also consist of periodic follow-up exams and additional exams as needed to evaluate specific exposures of unexplainable illnesses. The exams will be provided by the San Bernardino Community Hospital or an equally qualified alternate who is Board-certified in Occupational Medicine, 8. PERSONAL PROTECTIVE EQUIPMENT This section details the level of personal protection to be used during field operations at the Frontier Transportation, Inc. property. Appropriate levels of protection have been determined for areas on-site through the information detailed in the site hazard assessment. 8.1 GENERAL During all field operations, personnel shall wear hardhats , safety glasses, and steel toe safety boots. Any coveralls and work boots that are worn on-site should not be worn off-site. 8.2 LEVEL D OPERATIONS Level D operations will include equipment operators and all site personnel except those working in areas which have been designated as posing a possible benzene exposure hazard. Level D personnel will wear work coveralls and work gloves, and have in their possession an air purifying respirator (half or full- face) with organic vapor cartridges. In addition, benzene badges may be worn during site activities to monitor personnel exposure. 8.3 LEVEL C OPERATIONS The use of Level C protection at the Frontier Transportation, hic. property is not anticipated. Nevertheless, Level C protection shall be implemented in areas where task-specific air monitoring indicates that the action level is reached. Level C protective clothing will consist of the general protective gear plus air purifying respirators with organic vapor cartridges. Dust filters may be worn over the respirators will be utilized by equipment operators while full-face respirators will be required of ground personnel. in addition, personnel will wear surgical inner gloves, Nitrile outer gloves, nuke booties and tyvek or saran-coated tyvek coveralls (depending on moisture or splash hazard). In general, air purifying respirators are not recommended for use in environments with expected benzene contamination due to the poor warning properties of benzene. Tests have been performed to document the one percent breakthrough times of various chemicals (at 1000 ppm) through organic vapor cartridges. A 1 ,000 ppm level of benzene was determined to read breakthrough (10 ppm = 1 percent) at 73 minutes. It is not anticipated that this level of air contamination will be present during remediation activities at the site. To further protect site workers from possible exposure, a rigorous cartridge exchange program will be enforced. Respirator cartridges shall be change at least daily.