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R _ � BIM- <br /> i <br /> _ -IM��q <br /> d: <br /> rT. <br /> GASCO Gasoline Station January 30, 1991 <br /> w� <br /> Project No. 3-30054-31 Page A-5 <br /> `- The potential for exposure to the above chemical hazards is addressed below. <br /> • Low concentrate f these <br /> ons o chemicals may be present in dissolved form in the <br /> groundwater. <br /> • Ingestion of contaminants will be controlled by prohibiting eating, drinking, <br /> - smoking, and chewing in the work area. In addition, workers shall wash their <br /> hands and face before in <br /> 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 ,irtiforms, cotton work gloves,and safety glasses. <br /> Fire Hazards <br /> ~ The potential for fire or explosion exists whenever flammable liquids or vapors are <br /> present above lower explosion limit (LEL) concentrations and sufficient oxygen is <br /> present to support combustion. These potential fire hazards are addressed below: <br /> • General drilling operations in materWs containing flammable substances may <br /> pose a fire hazard. A fire extinguisher will be located 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 work 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 exceed the acceptable CAL-OSHA <br /> - permissible exposure level of 90 dB. however, workers should be aware, of <br /> the presence of these hazards and take steps to avoid them. Ear/noise <br /> protection, although not required, shall be available to all personnel within the <br /> job site in 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, heari.1g, <br /> and manual dexterity are impaired. <br /> 1\� <br /> -a lima <br /> M <br />