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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 rank removal/over-excavation provides for the pro=rion an o f on-site personnel d the surrounding community during sire chararerization activities. The requirements, specifications and procedures presented with the plan will apply to all personnel on-site, — . including emplovees,subcantractocs, site visitors and regulatory agency personnel._. EU7 ANALYSIS The most significant risk associated with petroleum contaminated soil is exposure m aromatic compounds. Sl-in conar 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 Nlanager 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 minimum of li.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 materiaPj Level C protection will be required if PID readings exceeding 10 ppm over background concenrration are recorded in the workers' breathing zone. Level C protection will consist of: • Disposable Tyvek coverall • Boots with steel roe • Chemical resistanr boor covers • Chemical resistant disposal gloves (inner) • Chemical resistant ourer gloves • ivCKk/NIOSH approved half-mask air-purifying respirator with dual organic vapor carmdges 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. DEC0NTAirIINATI0N During all held operations, care will be taken to minimize contact wirl: soils and ground water. Drilling spoils and developmental water will be stored on-site for proper treatment or disposal. This will minimize contact and dispersion oFpotentially contaminated materials.