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i4 <br /> HAZARD EVALUATION <br /> The potential for unknown hazards cannot be eliminated. <br /> Hazards can exist for all exposure routes such as <br /> inhalation, dermal contact, ingestion, and eye contact. <br /> I <br /> The following are potential site hazards and the <br /> corresponding procedures for hazard reduction: <br /> POTENTIAL PROCEDURES FOR HAZARD <br /> G HAZARDS REDUCTION <br /> 1.Volatilization of 1.The ambient air within <br /> organic vapors during the work area and in all E <br /> all operations can pose confined spaces must be <br /> a potential hazard via monitored prior to entry <br /> the inhalation of vapors. with an Ionization De- } <br /> tector. Depending on <br /> organic vapor air con- <br /> centrations, a respirator <br /> may need to be worn. See <br /> page 19 for action level. <br /> and page 18 for monitor- <br /> ing procedures. <br /> Workers should stand up- <br /> wind of the source of <br /> contamination whenever <br /> possible, regardless of <br /> the air concentrations. <br /> 2 .Skin and eye contact 2.Use of approved gloves <br /> with the separate-phase and goggles will be re <br /> petroleum and hydro- quired when potential <br /> contaminated ground- skin and eye contact with <br /> i water and/or soil may contaminated substances <br /> occur during well in- is apparent. <br /> stallation, well de- <br /> velopment, well <br /> f gauging, and soil and <br /> water sampling. <br /> i 1 <br /> If <br /> 4f <br /> k <br /> -10- <br /> {� <br /> k <br /> �` i <br />