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a <br /> are typically low to moderate, it is recognized that there is <br /> he <br /> a potential <br /> asuresfforvearrly detection of within <br /> or ofthesetvaporsflammable range. <br /> are described <br /> The me <br /> below. <br /> PHYSICAL HAZARDS <br /> The physical hazards attendant to the perfo nan a of site iznvest- <br /> igations are those associated with working <br /> equipment. Appropriate procedures attendant <br /> tato thealroperation <br /> in e <br /> of equipment to be utilizedonthis project work-rest cycles <br /> and are well known to our sL'af£. Further, <br /> will pe cods; liquidsnwillhered to so as to also be availableptovide prrecludeuproblems <br /> rest periods; liquids <br /> associated with heat stress. <br /> RISK FACTORS AND ASSOCIATED MITIGATION PROCEDURES <br /> Type of Risk <br /> Route of Exposure Mitigating Factor(s) <br /> Chemical. ... . .. . . .. . . . <br /> Inhalation... .. . . .. . .-Air purifying <br /> respirators with <br /> organic vapor and <br /> dust filters. <br /> -A hydrocarbon vapor <br /> survey meter will <br /> be used to determine <br /> exposure. <br /> .Dermal/Ingestion. . . . . . . ^Optimum use of <br /> i <br /> Chemical. . . . . . .. ..Dermato minimize <br /> direct exposure <br /> to the soil. <br /> -Use of protective <br /> clothing. <br /> -mha nature of the <br /> project does not <br /> involve the <br /> uncontrolled release <br /> of toxic materials. <br /> , . . . . ..A hydpocarbon vapor <br /> Flammable Vapors.. . . . . .. . .. . . . . . . . . meter will be used <br /> to determine the <br /> percent of the lower <br /> explosive limit <br /> (LEL) present at <br /> the excavation. <br /> B. <br />