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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 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, steel toe safety boots, and hearing protection (earplugs and earmuffs). Any coveralls and work boots that are worn on-site should not be worn off-site. 8.2 LEVEL D OPERATIONS t: 1 Level D operations will include equipment operators and all site personnel. Level D personnel will wear L., work Tyvek coveralls and Nitrile gloves, and have in their possession an air purifying respirator (half or full-face) with organic vapor cartridges. Operations requiring Tyvek coveralls, Nitrile gloves and the possession of a respirator will be boring advancement and soil vapor sample collection. Liquid repellant coveralls will be present on site should site activities require that type of protection. Respirator use may be needed during these activities depending on air monitoring concentrations. Those individuals using respirators will follow a site specific change out schedule, which be developed on site. The change out schedule will depend on the air concentrations present, the duty of the work (hard or light labor), number of hours of exposure, temperature, and humidity. { 8.3 LEVEL C OPERATIONS The use of Level C protection at the Frontier Transportation property is not anticipated. Previous air monitoring on-site has identified no significant concentrations of benzene vapors with a photo-ionization detector I_ { (PID), which was identified in free product on groundwater at the site. Nevertheless, Level C protection shall be implemented in areas where task-specific air monitoring indicates that the action level of I ppm as BTEX with a PID. Air monitoring will be performed in the breathing zone every five minutes. It is not anticipated that this level of air contamination will be present during remediation activities at the site. Level C protective clothing will consist of the general protective gear plus air purifying respirators with organic vapor cartridges. 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). Airborne dust will not be of concern at this site. A photoionization detector (PID) will be used on-site to monitor the air quality for BTEX. The PID will be ( calibrated with isobutylene. The action level for the use of air purifying respirators will be set at 1 ppm as benzene. j { The action level will be inputted into the PID in alarm mode, The PID will be within ten-feet of on-site operations. The PID will continuously monitor the air quality and sound an alarm when action levels are exceeded. To further protect site workers from possible exposure, a rigorous cartridge exchange program will be enforced. Organic vapor/acid gas cartridges will be used in all respirators. All personnel undergo annual respiratory protection training t _ in January of each year. _ 1 8A LEVEL B OPERATIONS ; I -, The use of Level B protection at the Frontier Transportation property is not anticipated. However, Level B protection shall be used when BTEX air monitoring concentrations exceed 5 ppm for a 15-minute period. Level B l shall consist of all personnel protective equipment described above in Level C operations with the substitution of a pressure demand SCBA with full face piece. i I1