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John P. Cummings & Associates <br /> Environmental Consultants <br /> (510) 505 0722 P O Box 2847 <br /> (510) 791-3306 Fremont, CA 94536 2847 <br />' File No. 0294010 . 01 ,7I <br /> November 10, 1994 l� <br />' <br /> Z� <br /> Paul Wnuk NOV V 1 5 1994 <br /> SIERRA LUMBER MANUFACTURING INC. ENVIRONMENTAL HEALTH <br /> 375 W. Hazelton Street PERMIT/SERVICES <br /> Stockton, CA 95201 <br />' Re; Report on Environmental Investigation <br /> Sierra Lumber Site <br /> 375 W. Hazelton Ave. , Stockton, CA <br /> Dear Mr. Wnuk: <br /> John P. Cummings and Associates (JPCA) is pleased to forward to you <br />' this report on the environmental investigation carried out on <br /> October 19, 20 25 and 28, 1994 at 375 W. Hazelton Ave. , Stockton <br /> CA. <br /> " <br /> BACKGROUND <br /> The site has a lumber manufacturing business on it and as located <br /> in the topographically flat, commercial/residential area of central <br /> 1 Stockton. Figure 1 as a location map. <br /> An Underground Storage Tank (UST) was removed from this site on <br />' August 1, 1988 . The 1000 gallon tank reportedly contained unleaded <br /> gasoline. Groundwater and soil samples collected in the saturated <br /> zone, during this investigation will be analyzed for Lead (Pb) . <br /> Soil samples collected from the bottom of the excavation at the <br /> time of the UST removal were analyzed for Total Petroleum <br /> Hydrocarbon as gasoline (TPHG) ; Benzene, Toluene, Ethylbenzene and <br />' Xylene (BTEX) . The soil samples taken below the UST in native soil <br /> showed 790 and 1200 parts per million (ppm) TPHG at 9 and 15 feet. <br /> Soil was excavated to about 15 feet and aerated. The excavation <br /> was filled in with clean soil. <br />' The former UST area is located on the south westerly side of the <br /> building, under a shed like roof, located behind the warehouse <br />' facing Hazelton Avenue, with the closest cross street Lincoln Road. <br /> 1 <br /> 1 <br />