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Project No. 034-17016 Site-Specific Health& Safety Plan Page No. 13 The anticipated activities of this investigation will include: • The use of a Geoprobe direct-push rig. • The use of geophysical survey equipment. • Direct-reading hydrocarbon monitoring(using the photoionization detector-PID)of boring head and ambient concentrations during drilling activities. • Collection of soil and soil vapor samples for chemical analysis. • Sample preparation packaging and shipment of samples for chemical analysis. • Analysis of selected samples by subcontracted laboratories(not covered under this plan). The general categories of hazards associated with this investigation are: • Mechanical hazards:cuts,contusions,slips,trips,falls,being struck by moving objects,being caught by rotating objects; also muscular injury potential caused by overexertion or improper movement (e.g. back injury due to improper lifting, etc.). • Electrical hazards: possible excavation of buried cables, exposure to overhead power lines, wet electrical cords, etc. • Chemical hazards:exposure to chemicals/contaminants listed in Section 4.0 ofthis plan and exposure to extraction solvents,etc. • Fire hazards: flammable petroleum hydrocarbons,equipment fires, etc. • Thermal (heat stress) hazards: exposure to outside temperature extremes and/or increased body temperatures while wearing protective clothing/equipment etc. • Acoustical hazards: exposure to excessive noise created by drilling operations and/or related to the site-specific operations,etc. • Routine job-related hazards in the subcontractor's laboratory.Neither these hazards nor any activities performed in the subcontractor's laboratory are covered by this plan. Job hazard analyses associated with most major work activities are presented in the following sections. 2.1 Drilling Drilling using a solid-stem auger (SSA) drill rig will potentially expose field personnel to the following hazards: Chemical Hazards: • Exposure to various chemical substances, including but not limited to petroleum hydrocarbon liquids and vapors,and petroleum contaminated soils,sludge or liquids. Certain precautions may be necessary to properly control the potential fire/explosion/health hazards associated with these chemicals. (See Sections 3.1 and 4.0) Physical Hazards - Potential exposures to physical hazards associated with Geoprobe direct push drilling include the following: • Snapping hydraulic cables, • Equipment,gas-main, or hydrocarbon fires, • Being hit by equipment, • Falling objects, • Exposure to excessive noise, • Exposure to outside temperature extremes, • Exposure to the potential for heat exhaustion due to protective clothing, KRAZAN&ASSOCIATES,INC. With Offices Serving the Western United States 034170/6 SSI Lathmp HASP Fml.d.