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1V z <br /> OPERATING PROCEDURE NO. HS-507 <br /> a <br /> 507.0' PROCEDURES FOR FIELD INVESTIGATIONS OF UNDERGROUND SPILLS <br /> OF GASOLINE AND OTHER PETROLEUM DISTILLATE FUELS <br /> 507.1 PURPOSE <br /> The purpose of this procedure is to establish sound and <br /> rocedures and guidelines for fie13 <br /> uriforr+ health and safety p of petroleum <br /> operations associated with investigations of l.eakagn <br /> hydrocarbon fuels from underground storage tanks and pipes. <br /> is <br /> 507.2 SCOPE <br /> t.r This procedure identifies the kindsof azards of' field <br /> fuels, <br /> activities to which it applies, assesses the h <br /> describes risk control measures. <br /> i <br /> � 4'F <br /> t 507.;1 APPLICABILITY <br /> ! collection samples of <br /> This procedure applies to (1) <br /> �.s surface and subsurface soil, (2) construction, completion, and <br /> (3) collection of water <br /> testing of groundwater monitoring wells, removal of <br /> samples from new and existing <br /> wells, and observing <br /> } ; underground fuel pipes and storage tanks at faciiit:es that <br /> 1 leaded gasoline (2) unleaded <br /> currently dispense or store ( ) <br /> gasohol, ( } 2D, 4, S, or 5 fueled <br /> gasoline, (3) ga. 4 Numbers LD, 2, <br /> jet fuel, and/or (6) used crankcase <br /> nils, (5) Numbers 3, 4, or 5 <br /> r: <br /> oil. <br /> �., This procedure shall not be user for installing or ope <br /> d for confined space eiiot ` <br /> entering trenches) or p <br /> (including <br /> and full-scale fuel recovery systems. It is also not applicable to <br /> HS-507-1 November 1990 <br /> HA5-PRO507 <br /> - i . <br />