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f <br /> OSCOpe of Mork. - Subsurface Site Asseeement <br /> Page - Z <br /> feet rill be backfillediwith a bentonite cem'e' nt mixture. <br /> Prior to drilling, underground utilities, gasoline/diesel tanks <br /> and piping will be verified in the field. <br /> Drilling permits for boring installations x1'11 be obtained where <br /> required by local agencies. <br /> SOIL SAMPLES <br /> rSoil samples shall be taken everyµ 5 feet, and evaluated, in the <br /> I field with an organic vapor meter +,(OVM) and -.a head space. enalysie <br /> technique for the purpose of identifying ,the visible presence or <br /> odor of hydrocarbons. <br /> In the event a material presence or odor of hydrocarbons is <br /> detected in the samples, the soil samples taken every ten feet <br /> shall be analyzed in- a laboratory for the presence of <br /> hydrocarbons. Results shall be reported as total petroleum <br /> hydrocarbons (TPH) using £ P. A. method 8015_ ' <br /> MATER SAMPLES <br /> fIf the groundwater table is encountered, it shall be <br /> characterized as to the presence or absence of free floating <br /> hydrocarbons. If free floating hydrocarbons are not encountered <br />