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1 <br />' J M Equipment Bonng Dia S <br /> 1245W Charter Way LOG OF BORING SB-4 Tot Depth 30 <br /> Stockton,CA Casing Depth NIA <br /> Project No 507 2 (Page 1 of 1) <br /> Casing Dia NIA <br /> Date 4!6!99 Screen Interval N/A <br /> (� <br /> Dnlhng Method HSA Slot Size NIA <br /> Ceofogicat Driller V&W Drilling Filter Pack NIA <br /> Tecfmws Logged By M Memi Annular Seal NIA <br />' Grout 0-30, <br /> ZTIC• Water Depth +I-15' <br /> c Well SB-4 <br /> epth <br /> U Elev <br /> Din Lab eet Sample Time DESCRIPTION v ppm <br /> Jim ICry <br /> 0 <br /> 1 <br /> 1 5 7 <br /> 08 00 7 CLAY-dark brown with streaks of blue staining very <br /> 12 firm, plastic, moist,gasoline odor CL 157 <br /> 10 7 CLAY-grey,slightly plastic crumbly, moist strong <br /> 08 04 15 gasoline odor Incomplete Core Recovery CL max <br /> 15 <br />' X oe o9 7 SILTY CLAY-grey, plastic, sticky very moist,calcium <br /> 14 carbonate, gasoline odor CL 1 707 <br />' 20 <br /> X oa 74 g CLAYEY SAND-black, very fine to fine grained,sticky SC 1450 <br /> 12 strong gasoline odor <br /> 25 - <br /> 0820 735 SANDY CLAY-grey,very fine grained slightly plastic, CL 1 0413 <br /> strong gasoline odor <br /> L <br /> v <br /> E <br /> m <br /> a <br /> 30 <br />' m X 08 23 25 CLAYEY SAND-greyish blue, very fine to fine grained SC 1 asz <br /> 50 organic material,strong gasoline odor <br /> V <br /> O2 <br /> N <br /> 6 <br /> 0 35 <br />