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x . <br /> 11�IEri�,3 Uu: 11 U707 i" � ,581 <br /> KAPREAL f AN ENG, <br /> KEI-P88-0810 <br /> September 25, 1988 <br /> Page 2 <br /> 3. Hazardous materials stored at the site include gasoline <br /> and diesel. <br /> 4. Any unauthorized releases atthe site are unknown by <br /> KEI► except as evidenced by elevated TPH in the soil <br /> and benzene in the groundwater beneath the removed 1000 <br /> gallon gasoline tank described above. <br /> II. SITE DESCRIPTION <br /> A. Vicinit Desc tan: The site is on the southern side of <br /> Grand, Road within Tracy City limits. See attached <br /> sketch, <br /> B. Sae attached Location plan for site vicinity description. <br /> C. A 8__,' One 1000 <br /> gallon gasoline tank. <br /> D• See attached site plan for site <br /> details. Borehole <br /> will be decided during drilling. locations <br /> IxI. F1'ELD WORK <br /> A. )ri.Zl <br /> 1• TYPO Of Drilling - hollow stem continuous. flight auger, <br /> 8" diameter. - <br /> 2. Depth of Boreholes: 13 to 15 feet <br /> Groundwater is anticipated at approximately <br /> below grade. Boreholes Will be 12.5 feet <br /> approximately1 foot below first drilled to <br /> water samples can be collected, groundwater so that <br /> • <br /> 2. <br /> Drilling is-_tentatively planned -far week of the thizii - - - <br /> - September 1988. ' . <br /> 4. Soil samples will Be collected at <br /> beginning at a depth of s feet and �r 11 continu`ive foot tervals l <br /> until <br /> the first water table is encountered. Classification [ <br /> of soil will be done using the Unified soils <br /> Classification System (USCS) by KEI's field engineer or <br /> geologist. <br />