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ACTIVITY HAZARDS ANALYSIS <br /> Overall Risk Assessment Code(RAQ I <br /> (Use highest code) <br /> Date: 6 November 2009 Project: Soil Excavation <br /> Risk Assessment Code Matrix <br /> Activity: AHA-3:Soil Sampling E=Extremely High Risk Probability <br /> H=High Risk <br /> M=Moderate Risk Frequent Likely Occasional Seldom Unlikely <br /> Activity Location: California National Guard Armory,Lodi,CA L=Low Risk <br /> s Catastrophic E E H H M <br /> e <br /> Prepared By: Lik-See Chung e Critical E H H M L <br /> Marginal H M M L L <br /> t <br /> y Negligible M L L L L <br /> Add Identified Hazards <br /> JOB STEPS HAZARDS ACTIONS TO ELIMINATE OR MINIMIZE HAZARDS RAC <br /> .Wear approved safety ear plugs when working close enough to <br /> backhoe that you have to speak louder than your normal voice <br /> to someone staining next to you. <br /> Wear appropriate PPE to protect from dust.This is usually a <br /> half-face air-purifying respirator with dust cartridges. <br /> Ix <br /> Some areas where excavation occurs may have VOC's and metals <br /> hazards.Monitor each sample location for VOCs and metals before <br /> setting up.Air quality monitoring at the site consisted of both"real <br /> time"air monitoring and"integrative"periodic air sampling.The <br /> Exposure to Diesel in work area. instruments used for air monitoring included:Photoionization <br /> Exposure to machinery in the work area. Detectors(PIDs)for VOC;Multi-gas Analyzers for Oxygen,Lower <br /> 1.Review AHA and soil sampling activities. Inhalation of dirt or dust during work activities. Explosion limit and Carbon Monoxide; M <br /> Inhalation or dermal contact of dirt or dust after .Avoid moving parts of machinery.Keep fingers,hands,and <br /> work activities. arms away from backhoe bucket and other pinch points.Wear <br /> leather gloves when using hands for activities other than <br /> sampling,and steel-toed boots.Wear hard hat at all times. <br /> Personnel on the ground should keep away from the work area <br /> and backhoe unless they are required for the task. <br /> .Ask for assistance when ready to take the sample in the excavation <br /> area. <br /> Do not approach heavy equipment without notifying the site <br /> supervisor and the machine operator.Make sure all machine operators <br /> are aware of the location of the sampling. <br /> NWW Form 385-1 (Revised)April 2008 <br />