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F' <br /> INTERNATIONAL <br /> TECHNOLOGY pt fzc f <br /> CORPORATION ��D <br /> MAR 1 1 1987 <br /> !'kCifll'[Fj?�`.JH4'rNll(�'�4CUP,INC. <br /> pacific En,rironliental Group, <br /> Inc. march 13, 1987 <br /> 1601 Civic Czntcr Dr.. Suite 101 <br /> Santa Clara, CA 95050 <br /> Attn: Susan willhite <br /> Following are the results of our analyses on samples of soil and water <br /> received march 9, l}81. The project identification is: <br /> project: 10o-12.01, 1232 Marposia, Stockton <br /> The analysis for aromatic hydrocarbons in Haters is taken from E.P.A• <br /> Method 602, a purge and trap technique. ;=ina1 detection is by gas chromatography <br /> using a photo-ionization detector {GC/PID} in series with a flame ionization <br /> detector. The primary separation column is 5$ AT-1200 + 1.75% Bettone 34/ <br /> Chromosorb U. confirmation of positive results is by GC/PTD using a <br /> Carbopack B/3% Sp-1500 column. <br /> The analysis for total hydrocarbons in soils is taken from E.P.A. Rethods <br /> 3550 and 413.2. . The soil is extracted with repeated portions of 1+,i,2-tri- <br /> chlorotrifluoroethane using a horn-type sonicator. The resulting extract <br /> is dried with sodium sulfate and examined by infrared spectroscopy. <br /> All soils are extracted using "wet" soil; a soil moisture determination <br /> is performed on an additional portion of soil. The results given in the <br /> following tables are corrected for moisture and are presented on a "dry soil <br /> basis". <br /> Fred Rouse <br /> FR/jd <br /> 2 pages following - Tables of Results <br /> gegionat Otttce <br /> 397 t,tath�w Street•Santa Ct-a.Calitorn. 950511.498 727-4277 <br />