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SEAM <br /> mwgg <br /> - C. v k r W g M .„.._R cri <br /> J. H.KLEINFELDER&ASSOCIATES <br /> TABLE 7 <br /> APPROXIMATE MASS CALCULATION <br /> KILOGRAMS TOTAL PETROLEUM HYDROCARBONS BY DEPTH <br /> r <br /> Depth (feet) Kilograms Total Petroleum Hydrocarbons <br /> f 8.5-13.5 1600 <br /> E9 13.5-18.5 2200 <br /> 18.5-23.5 700 <br /> 23.5-28.5 400 <br /> 28.5--33.5 200 f <br /> 1.9 Total 5100 kilograms or 11,244 lbs <br /> approximately 1680 gallons <br /> I * The calculations are based on analytical results,• .area of <br /> contaminated soil from the computer generated iso- <br /> concentration contours, a soil density of 110. ibs/or. ft <br /> �� (maximum dry density) and a gasoline density of 6.68 lb/gal. <br /> �a3c <br /> 6s - <br /> lad <br /> �:i ►� <br /> 38-87-k4 <br /> 6� EELI <br />