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VAW 10 MEN,- W11 -Q� MY- <br /> Elf ' <br /> Product thicknonn -'f) calculated by subtracting the depth to <br /> product froarm "adt) dOPth towotor. in addition, wntar <br /> 010vatlona a juat#3d for the rj <br /> praonco of <br /> fOl'owlng calculation: fuel With the <br /> (Product Thict(nagn) ( -8)+(Wator Elevation) <br /> • Corrected Wator Elevation <br /> -Note: The factor of O.d accounts for the density differanca <br /> between voter and Petroleum hydr-)-.-arbona. <br /> Newly installed <br /> well:) will bo allowed to atabiliza for 24 <br /> hours after development prior to free product InOP-Octlon. <br /> An acrylic Surface Sampler will <br /> Inepaction of be urged for vigual <br /> the groundwater In order to note sheens <br /> (difficult to detect with <br /> the Intarfaco Probe), odors, <br /> microbial action and sedimento. 41110 0amplor is Calibrated <br /> in inches and COnt1motorn for visual inspection of Product <br /> thickness. <br /> To reduce <br /> wells. the the Potential for cross contamination between <br /> MOnitoringn will <br /> take Placa in order from the <br /> 'cast to most contaminated, if known. <br /> product Wells containing free <br /> will be last, <br /> monitoring the quip mentmonitored uIll be decontami80twoon each wall <br /> nated. <br /> Water level :lata collected from thwelle the <br /> develop a groundwater contour mWill ba used to <br /> ap e project Oita. <br /> for <br /> Gr"ru-4wa tor <br /> flow will be 48timated to be 6andicular to <br /> aquipotrintial lines drawn on tt.o map. po <br /> 10-0 Wall MvPlopment protocol <br /> Groundwater monitoring walls will <br /> Approximately 10 times <br /> to uatting the surface seal <br /> be surged and developed <br /> pr1c <br /> the vOlU=0 Of water In <br /> possible. thd Casing will be withdrawn if <br /> Casing volumes will be calculated in <br /> fO1100ting manner: the <br /> Volume of Schedule 40 <br /> PVC Pipe <br /> Diameter <br /> I.D. Volume <br /> -(inchea)-- (Inches) Cal/linear ft. <br /> ----- -------- ------------ <br /> 2 <br /> 2.067 0.17 <br /> 4 4.026 0.66 <br />