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02,'20.,97 16:41 V510 P -1 8370 CHEVIR0N U.S.a, . zl <br /> v v <br /> Drilling Log <br /> � I GROUNDWATER Monitoring Well MW-4 <br /> TECHNOLOGY <br /> Pre)jpt i owner Cnevrtn �raCv Chyvrorn U54 Proaucts_ComDanv See Site MaD <br /> , ._�-�� _._ For Boring Location <br /> Location !03 West 6levpnth St.. .'-racv CA --- Proi. No. 02070 0 5 T <br /> Surface Elev. _ ._,. Total Hole Depth 10—ft.-- Diameter Bin.- <br /> Top of Casing _ water Levet Initlal r ft• StatiC ------- <br /> Screen: Dia ? -,n, Length 1.5 ftp_ Type/Size 0.020 m. - <br /> Casing Dla 2 in. - Length 5 ft_--- Type -�C_h 40 PVC — <br /> Fitt Material R3 Sana' - Rlg/Core P`ME ZT5/Sniff 5POL" <br /> Chill Co. Sc S. Inc. _ Method Hollow Sten ALoer/PID ,�—_-- <br /> Drilter Mke L7ufftr Log Dy Bruce SP21E pate 03120/g5 _ permit � ---- <br /> Checked By Fd°;'monis L i C e n$e NtS. jG—# 422.-- -- <br /> z., Description <br /> E I y ❑ T � .0 p� � ^- <br /> 0 <br /> � Q tl U u I @ 3 <br /> �, (Color, Texture, Structure) <br /> ❑v a to o .r 0 'trace [ 10%. Little 10% to 20%, Some 20% to 35%, And 35X to SOX <br /> ,I <br /> I Sandy silty CLAY (10,20,70): orange brown, moist to wet, no <br /> � i I, hyQrocaraon Delos. <br /> 2 i <br /> rt_ <br /> 4 kk 4 <br /> MYi-S <br /> 2 <br /> CL <br /> _ Sandy silty CLAY (;0,30,6:1): gray, we, deCraded hydrocarbon <br /> ! WW-4 odor_ <br /> - 1Q -- zn -10• 3 C4 ' �- EncouniarecY hater, 03/20/95. 1040 hrs. <br /> 12 _ <br /> f CL <br /> l; —_ <br /> San:jy clayey SIt.T (10,40,50): tan brawn, wet, very slight <br /> w1w'4 hydroCarbon odor. <br /> ML (grades no hydrocarbon odor) <br /> }8 <br /> Silty CLAY ft5,85): light brown, wet, no hydroG3rbOt1 ado;. <br /> I I <br /> CL <br /> `0 .�. G �I_ r 5 <br /> 5 End of Boring. Installed greunawater monitoring well. <br /> 22 <br /> I I i <br /> i <br /> 4 I 1 <br /> �7af:•RIff1[�5 1 ihio�; rnai93 Fagg' t of 1 <br />