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DATE: <br /> SERVICE STATION f: <br /> LOCATION: s o c-.k 'o, <br /> CONTRACT#: <br /> RELEABE*: <br /> CONTRACTOR._ (,- <br /> TOP OF CASING SURVEY AND LIQUID LEVEL MEASUREMENTS <br /> Specif[cation Work <br /> Reference Requested <br /> I <br /> Field <br /> 2.8.2 Perform a top of casing survey of all wells on the site using an <br /> �.Sr`y3i,s�-.� J3—.1., W"..k <br /> 2.8.1/2.8.3 AA Measure depth to product and depth to water in the ground water <br /> monitoring wells. Calculate the product and water elevations and <br /> the product thickness. <br /> Office <br /> 2.6 Tabulate all data from the top of casing survey, product and water <br /> J measurements and product thickness calculations. <br /> 2.6 Plot all top of casing elevations and product and water elevations <br /> onto the site base map. <br /> 2.6 ( ] Contour the product and water elevations on base maps. <br /> 2.6 [ ] Contour the product thickness on a base map. <br /> 2.6 Contour the isoconcentrations of dissolved hydrocarbons on a base <br /> map <br /> 2.6 [ ] Draw a hydrograph of product and water elevations for <br /> months. <br /> 2.6 [ ] Graph product thickness over months. <br />