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T�.%r <br /> ,e <br /> .6`�,,. <br /> 4 rv, <br /> ., .,J ,. -r i- r -•,k� � d...�,� a.. �.�'`?� r �t �'�`�i aFy 4�'-- m�� ,� --� '�? "r .Y � -.., �}` <br /> st wy <br /> I <br /> i- <br /> M <br /> f. <br /> i <br /> CASCO Gasoline Station Janus.ry 30, 1991 <br /> I.� <br /> Project No. 3-30054-31 Page A-5 <br /> The potential for exposure to the above chemical hazards is addressed below. <br /> • Loh concentrations of these chemicals may be present in dissolved form in the <br /> groundwater. <br /> • Ingestion of contaminants will be controlled by prohibiting eating, thinking, <br /> smoking, and chewing in the work area. In addition, workers shall wash their <br /> hands and face before engaging in any of the above activities after they leave <br /> _ the work area. <br /> • Absorption of contaminants will be controlled by requiring workers to wear <br /> long-sleeved uniforms, cotton work gloves, and safety glisses. <br /> Fire Hazards <br /> _ <br /> The potential for fire or explosion exists whenever flammable liquids or vapors are <br /> present above lower explosion limit (LET) concentrations and sufficient oxygen is <br /> Present to suplrort combustion. These potential fire hazards are addressed below: <br /> General drilling operations in materials containing flammable substances may <br /> pose a fire hazard. A fire extinguisher will be lo:mated in the drill rig and the <br /> geology service vehicle, <br /> Physical Hazards <br /> The potential physical hazards expected at the job site are addressed below. <br /> • The potential for physical injury exists from the operation of machinery such <br /> as the drill rig. Use of steel-toed boots, hard! hats, and safety glasses will be <br /> required when in the words area. <br /> • The potential for noise hazards exists at the site from the operation of the drill <br /> rig. It is not expected that noise levels will excml Y':c; acceptable CAL-OSTIA <br /> permissible exposure lovel of 90 dB. However, workers should be aware of <br /> the presence of these hazards and take steps to avoid there, Ear/noise <br /> protection, although not required, shall be available to all personnel within the <br /> job site is the event noise levels exceed worker comfort or protection levels, <br /> • Personnel should be cognizant of the fact that when protective equipment such <br /> as respirators, gloves, and protective clothing are worn, visibility, hearing, <br /> and manual dexterity are impaired. <br /> 1r <br /> c <br /> I <br /> F-fl <br />