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03/28;97 15:04 V510 842 8370 CHEVRON U.S.A. rR1020/024 <br /> Inn❑ Drilling Log J® GROUNDWATER <br /> E •TECHNOLOGY Monitoring Well MW-13 <br /> ' Project ChgvrOrr - Stockton z Owner CnPvren u,S.a. Products co. <br /> Location 45 East Hardrna wav Project No. 02070_ 3399 Clete druled 06/30/93 <br /> ■ o 0= <br /> ■ a=_ vv op � �p i nm u I Description <br /> ■ v I::7i E a u If mo <br /> W_ o m ox I �� u I (Color, Texture, Structure) <br /> v Nmx 0 I Trace < 10%, Little 10% to 20%, Some 2OX to 35%, And 35% to 50% <br /> 24 I MIN,- I Yellow brown SALAD (continued) <br /> e < 15-25 <br /> 0 s " (Grades 4075 fine sand. 20% medium sand, 10% coarse sand. 5L' tine <br /> 26 < < a I: subangular gravel, 5% silt, IOX clay) <br /> 12 r.'::'. Sw <br /> 1 <br /> 28 < < <br /> < <br /> Yellow brown brown clayey SILT: 40% silt, 30% fine sand, 30% clay, <br /> M'n'- 'race mica (slightly moist, low plasticity, no hydrocarbon <br /> 3Q 13-30 I odor) <br /> < < <br /> 0.1 In <br /> < < a ML <br /> w <br /> 32 < < <br /> 34 < < IMh' (Grades light gray, silty CLAY: 70% Gay, 20% silt, 10 fine+ 13- , sand) <br /> 36 <br /> < < 3 rq�� <br /> C I <br /> 38 CL <br /> ^'- <br /> 40 I13-4o I. <br /> 0.1 i s (G:ades yellow orange) <br /> m I <br /> 42 ' <br /> F//. <br /> 4 4 — 1 113- <br /> 13-<5 <br /> O,r r (Grades red brown clayey SILT: 70% silt. 10% fine sand. 200% clay) <br /> 46 — 13 2 <br /> . <br /> 48 ML <br /> = : I <br /> SO — 3 5C <br /> 0 ,o Yellow brown sandy SILT: 60% sill, 30% fine sand, 10`: clay. <br /> trace medium sent. trace mica (slichtly moist, stiff. low <br /> plasticity, no hydrocart= odor) <br /> 52 : I <br /> S4 Mt1- <br /> u-ss <br /> p n 4 Encountered waver 06/30/93 <br /> 56 (Grades gray-brown and black mottled. 70% silt. 151% clay. 15% fine <br /> 1:7 ! sand) <br /> Cer:0ns971:gdg9-rna'9: Fnnen i <br />