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1 <br /> WELL/ -B-1 <br /> 264 <br /> tfi,.X,. &VA U CAN ixp surrE fol Myr_1 <br /> S YALIEY CA 95466wtoN[ +oel+x-sett ocras INC FAX� °313 PAGE 1 of 3 <br /> PROJECT NO 8239-02 CLIENT .lack Vaugh & Darryl Chrisiensen <br /> LOGGED BY Paul A Studemeister DATE DRILLED 3/12/92 <br /> 1 DRILLING METHOD- Hollow Stem Auger LOCATION 595 E 11th Street, Tracy, CA <br /> DRILLER Spectrum Exploration, Inc HOLE DIAMETER 10" <br /> CASING TYPE Schedule 40 PVC, 4 In HOLE DEPTH: 20 Ft <br /> SLOT SIZE 0010" WELL DEPTH 17 Ft <br /> SAND PACK. Lonestor Sand 2/12 WELL DIAMETER 4 In <br /> GAS ANALYZER Heath tech Porta FID SCREENED INTERVAL:? to 17 Ft <br /> cn z <br /> 1 a ;8 0 <br /> W <br /> Nz <z o �a LITH 0 LOGY LLJ <br /> REMARKS <br /> 00 a _j © " ca / 3 0 <br /> �� z m a z <br /> 0 U) <br /> U U <br /> I <br /> Q Loose Pea Gravel Surface <br /> GS Sandy Gravel (GS/Fill), brown, loose, o <br /> 2 dry, minor debris 4' -7v <br /> o <br /> vv <br /> avv v vvv <br /> I vv <br /> 4 - - - - --- - - - - - - - - - - - - - -- _.. - - - - - ov <br /> vv <br /> da CL Silty Clay (CL) with fine sand, <br /> P 0 3/5/5 brown, stiff, med plasticity, grades at depth <br /> 6 into fine sandy clay, no hydrocarbon odor <br /> 8 <br /> Sc7.sM - - - - - - - - - - - - - - - - - ---- ---- - - - - - - <br /> t 0 7/12/10 10 Clayey to Silty Sand (SC/SM), traces of gravel, <br /> to Bt -105 brown to brown-green, fine to med sand, top has <br /> wet cracks lined with light gray carbonate deposits, <br /> 12 a slight hydrocarbon odor at top of transition <br /> 14 - <br /> - <br /> 4 z <br /> ISP — — — — — — — — — — — — — — — — — — — — — — — — — <br /> C Poorly Graded Sand (SP) and Gravelly Sand (SG), <br /> wet 0 6/10/14 16 81 -155 brown, loose, med to coarse grained sand, <br /> little or no fines, coarsens and gravel content <br /> is increases with depth, no hydrocarbon odor <br /> wet 0 10/iz/14 20 Bt -205 -gravelly sand grading Into coarse sandy gravel, <br /> 22 loose, no hydrocarbon odor <br /> END OF HOLE = 20 Ft <br /> 24 - <br /> 26 <br /> 426 Notes <br /> -depth to water in well was <br /> 28 8 72 feet below top of well casing <br /> (3/12/92) <br /> -heaving sands were encountered <br /> 30 during drilling below groundwater <br /> level (at 10' to 20 feet depth interval) <br /> 32 -a slight hydrocarbon odor was noted <br /> at approximately groundwater level <br /> (sample 81-W) soils <br /> 34 -well was swabbed following well <br /> construction <br /> 36 <br /> 38 b2390abl <br />