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7777 <br /> ATTACHMENT 3 <br /> HAZ-.RD EVALUATION AND CONTROLS <br /> For each task to be performA onsite, list any associated hazards and potential hazards <br /> For each task hazard or potential hazard, provide the control method and/or the level <br /> of protection(lop) to use to control the hazard <br /> TASK DESCRIPTION OF HAZARD CONTROL METHOD/LOP* <br /> Soil-Groundwater Sampling Excavation Equipment operation Qualified equipment operators required <br /> and exposure to soil vapors and Minimize potential exposure to soil <br /> dust vapors, if any, during di filling <br /> If necessary, stand upwind during drilling <br /> Minimize contact with sot] and wear a <br /> dust mask if drilling conditions ate dusty <br /> Wear loves as needed Level D <br /> Vehicular traffic during drilling Use barricade and traffic control measures <br /> acti,.ities to pat lung lot as needed Wear Oran'ge traffic safety vest <br /> • while in the stieet and on site <br /> Level D <br /> Noise trona operation of Drill Rig Use ear plugs while working on site <br /> Level D <br /> Heat Stress, Heat Stoke,Heat Review heat stress/exhaustion symptoms <br /> Exhaustion (>100"F) and treatment(Attached) Drink at least <br /> (see attached description of one liter of water for one hour of active <br /> symptoms and methods of work Have at least one gallon of water <br /> prevention) available before work commences <br /> Level D <br /> Chemical Hazards(listed above) Stand upwind during drilling or trenching <br /> Minimize exposure soil vapors Upgrade <br /> to modified Level C if prolonged <br /> exposure to soil vapors is unavoidable or <br /> bothersome %Z-Face respirator as needed <br /> *Level D/Modified Level C <br /> *EXPLAIN ANY MODIFICATIONS TO LEVEL D <br /> SITE CONDITIONS AND LEVELS OF <br /> PROTECTION <br /> Specific Condition/Contaminants/Level Level of Protection or Action <br /> OFcal exposure due to discomfort with hydrocarbon Upgrade to Modified Level C If Benzene>5 ppm m active <br /> in active work zone work zone for greater than 20 seconds <br /> Page 6 of 6 <br />