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Health and Safety Plan Underground Tank Program Tank Removal or Over-Excavation Resample INTRODUCTION PURPOSE AND SCOPE The Health and Safety Plan , for underground tank removal /over-excavation provides for the protection of on-site personnel and the surrounding community during site characterization activities . The requirements , specifications and procedures presented with the plan will apply to all personnel on-site , including employees , subcontractors , site visitors and regulatory agency. personnel . HAZARD ANALYSIS The most significant risk associated with petroleum contaminated soil is exposure to aromatic compounds . Skin contact will be eliminated by use of clothing, eye wear, and gloves and the inhalation hazard will be minimized using appropriate respiratory protective devices as determined by on -site air monitoring . The Safety Coordinator/Project Manager will establish an exclusion zone encompassing a 50-foot radius from the work area. Access Within this zone will be limited to required personnel . Total organic vapors will be monitored within the exclusion zone using a photoionization detector (PID) calibrated for benzene , the most toxic of the aromatic hydrocarbons . Current enforceable and recommended exposure limitations for potential site contaminants are presented in Table 1 . PERSONAL PROTECTIVE EQUIPMENT A minimum of U . S . EPA level D protection will be required within the exclusion zone for any workers engaged in sample collection or other activities on this site. Level D protection will include : • Disposable Tyvek coverall (when in contact with contaminated material) • Boots with steel toe Splash goggles or safety glasses • Chemical resistant disposal gloves (when in contact with contaminated material ) Level C protection will be required if PID readings exceeding 10 ppm over background concentration are recorded in the workers ' breathing zone. Level C protection will consist of: • Disposable Tyvek coverall • Boots with steel toe • Chemical resistant boot covers • Chemical resistant disposal gloves (inner) • Chemical resistant outer gloves • MSHA/NIOSH approved half-mask air-purifying respirator with dual organic vapor cartridges PID readings exceeding 250 ppm in the workers ' breathing zone will require work stoppage and site evacuation. An explosion-proof fan may be used to vent the work area .