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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER O80S-114.02 BORING NO B29/VW11 <br /> PROJECT NAME ARCO Products Company Service Station No. 2130 PAGE 3 OF 4 <br /> BY D. Foley DATE 8/11195 SURFACE ELEV —15 ft. <br /> RECOVERY PID PEkETRA- u) ,: WELL <br /> TION F J , ate C DESCRIPTION DETAIE <br /> ¢� lai�L, CL <br /> (ft/ft) (ppm) (btws/ft) <br /> 1 011 5 00 SILT NOW, continued <br /> 27 , <br /> It <br /> , i <br /> � <br /> 1 0/1 5 687 as @45' as above, brown (10YR, 5/3), iron-oxide <br /> staining over 20% of sample, manganese-oxide <br /> 69 , i staining over 5% of sample, hard, damp. <br /> Imoderate hydrocarbon odor <br /> I I <br /> 08/08 28 5 50 @50' as above, slight to moderate hydrocarbon <br /> odor <br /> 92108 <br /> I � <br /> SANDY SILT NP, grayish brown(l OYR, 5/2), <br /> r9111/95 I 70% low plasticity fines. 30% fines-grained sand, <br /> 1 211 5 346 1 S5 I I won-oxide stautmg over 5% of sample, <br /> I I manganese-oxide staining over 5% of sample, <br /> 54 E ' very dense; moist, strong hydrocarbon odor <br /> l <br /> : SAND (SP), light olive brown(2 5Y, 6/3), 5% fines, <br /> 8111195 95% fine-grained sand, dense, wet, strong <br /> hydrocarbon odor <br /> SZ <br /> RUMARKS <br /> Bormg drilled using 10-todt diameter continuous-flight,hollow-stem auger drtllwg equipment and sampled with a <br /> modified CaMotnsa split-spoon sampler- Bong converted to a 4-toch diameter vapor extraction well See Wen <br /> E00NNDeMb sheet for weft construction information- <br /> E ON <br />