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7. 0 / 02 / 02 1VF.D 15 : 26 FAX 916 67D-2900 URS 0004 <br /> LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 0805- 114.02 <br /> j PROJECT NAME ARCO Products Company Service Station No- 2130 BORING NO. B29/VWIl <br /> BY D, Foley DATE 8/11/95 PAGE 3 OF 4 <br /> SURFACE ELEV, — 15 ft. <br /> RECOVERY PID PENETRA- O� <br /> TION �trlJ W EI <br /> J 'RAP' TC tL a- �_ OESORIPT [ ON WELL <br /> l <br /> ( ft/ ft ) (ppm) (blws / fty - ..W DETAIL <br /> 1 . 0/ 1 .5 0. 0 <br /> SILT (ML,), Continued <br /> 27 <br /> I <br /> I <br /> III <br /> LO/ LS 68 . 7 45 <br /> 4451 : as above; brown ( LOYR, 5/3 ); iron-oxide <br /> staining over 207o of sample; manganese-oxide <br /> 69 staining over 5% of sample; hard; damp; <br /> 1I moderate hydrocarbon odor <br /> is <br /> I I <br /> 0.8/0. 8 28. 5 50 <br /> 00501 : as above; slight to moderate hydrocarbon <br /> odor <br /> 92/0, 8 i <br /> , li <br /> i , <br /> J <br /> SANDY SILT (ML), grayish brown ( IOYR, 5/2); <br /> 8/11/95 1 . 70% low plasticity fines; 30% fines-gr <br /> 55 + ained sand; <br /> 1 .2/1 . 5 346 = i iron-oxide staining over 5% of sample; <br /> i manganese-oxide staining over 5% of sample; <br /> 54 very dense; moist; Strong hydrocarbon odor <br /> SAND (SP), light olive brown (2. 5Y, 6/3); 5% fines; <br /> 8/11 /95 . . 95% fine-grained sand; dense; wet; strong <br /> hydrocarbon odor <br /> 60 . <br /> REMARKS <br /> Boring drilled using 10-inch diamcmr wnunudyflight, hollow-smm auger drilling equipment and sampled with a <br /> modified Calif rnia split-spoon sampler. Boring converted to a 4-inch diameter vapor extraction well. See Well <br /> Derails sheet for well con ouch <br /> qo infermagon. <br /> E ON <br />