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Health and Safety Plan Underground Tank Program Tank Removal or Over-Excavation Resample INTRODUCTION PURPOSE &N-D SCOPE The Health and Safety Plan, For underground rank removal/over-excavation provides Eor the procetmon 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,suhcoctactors, site visitors andregulatory agency personnel. _ HAZARD ANALYSI� The most significant risk associated with petroleum contaminated soil is exposure to aromatic compounds. Skin conmct 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 30- Eooc 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 woekers engaged in sample collection or other activiries on this site. Level D protection will include: • Disposable Tyvek coverall (when in contact with contaminated material; • Boos With steel toe ' • Splash goggles or safety glasses • Chemical resistant disposal gloves (when in contact with contaminated rnateri 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 • Boos with steel roe • Chemical resistant boor covers • Chemical resistant disposal gloves (inner) • Chemical resistant outer gloves • MSHA/NNZOSH approved half-mask air-purifying respirator with dual organic vapor caridges PID readings exceeding 250 ppm in the workers' breathing zone wdl require work stoppage and site evacuation. An explosion-proof fan may be used to vent the work area. DECONT"MINATION During all held operations, care will be taken to minimize contact with soils and ground water. Drilling spoils and developmental water will be stored on-sire for proper treatrnenr or disposal. This will minimize contact and dispersion of potentially contaminated materials. 1-0