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,tom• �n ..... . <br /> John P. Cummings & Associates <br /> Environmental Consultants <br /> l <br /> Ph. (510) 505-0722 P.O. Box 2847 <br /> Fax (510) 791-3306 Fremont, CA 94536-2847 <br /> File No. 0293015. 00 <br /> December-21, 1993 <br /> rn <br /> Peter Wallace to <br /> 19431 N. DeVries Road --c <br /> Lodi, CA 95240 <br /> r� <br /> Re: Report Environmental Assessment <br /> 348 West Harding Way <br /> Stockton, CA -°� - <br /> Dear Mr. Wallace: <br /> John P. Cummings & Associates (JPCA) is pleased to present the <br /> following report based on a review of prior available data and the <br /> work just completed for the site. The site is located at 348 West <br /> Harding Way, Stockton, CA. Figure 1 is a site location map. <br />� INTRODUCTION " <br /> Eight Undergr©&ind Storage Tanks (UST) were removed from this site <br /> by Falcon Energy on January 25 and 29, 1991. The tanks contained <br /> Stoddard Solvent used in the dry cleaning process. Seven of the <br /> UST were removed from one large excavation and one UST from another <br /> smaller excavation. UST locations are shown in Figure 2. The UST <br /> removed from the smaller excavation was reported to be in excellent <br /> condition. The other seven were reported, by WaterWork Corp. , to <br /> be in poor condition. <br /> Seven soil samples were collected during the UST removals at depths <br /> .ranging from approximately 9 ft to 24 ft in the large excavation, <br /> Tank Pit 1:-'' Two soil samples were collected from the smaller pit, <br /> Tank Pit Z. All samples were analyzed for total petroleum <br /> hydrocarbonb (TPH) and Benzene, Toluene, Ethylbenzene and Xylene <br /> (BTEX) . Benzene was not detected in excess of 1 part per billion <br /> (ppb) in any of the samples collected. TPH concentrations ranged <br /> from 970 to 3000 parts per million (ppm) in samples from Tank Pit <br /> 1. Soil from Tank Pit 2 had neither TPH nor BTEX detected. <br /> Tank Pit 1 was approximately 60 ft by 10 ft, with depths ranging <br /> from 10 to 25 ft. Approximately 400 cu yds. of soil were removed <br /> during the UST removal and later replaced in the pit without <br /> remediation. Tank Pit 2 measured approximately 14 ft by 7 ft by 14 <br /> ft deep. The soil removed was placed back into the pit. <br /> 1 <br /> c) 2,— <br />