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LOCATION MAP IT CORPORATION BORING NO MW-5 PAGE 1 OF 2 l PROJECT NO 911-011 1B CLIENT Tosco Station#4409 SEE SITE MAP FOR LOGGED BY K Waldo DATE DRILLED 11/28/00 DRILLER Cascade Dnlling LOCATION Stockton LOCATION DRILLING METHOD HSA HOLE DIAMETER 8" SAMPLING METHOD CAL MOD HOLE DEPTH 80' CASING TYPE SCH 40 PVC WELL DIAMETER 2" SLOT SIZE 0 020 WELL DEPTH 80' GRAVEL PACK #3 RMC SAND CASING STICKUP FLUSH MOUNT 00 4 BOREHOLE P z C �a) LITHOLOGY/REMARKS BACKFILL U) � a w� L J a OZp y0a o2 W 20 a am 0 � c4 i 2 4 Mst 40 6 CLAYE SILT / Sand, black/very dark gray(I OYR 3/1), moist, 75 to 85% medium plasticity fines, 20 to 25% fine to 8 r-"L- medium sand, slight petroleum odor Mst 4 0 28 10 @ 10'As Above 12 14 Mst 9 2 32 SM SANDY SILT, yellowish brown(I OYR 5/6), moist, 70 to 75% 16 non plastic fines, 25 to 30% very fine to fine well sorted sand, no petroleum odor r 18 � 0 Mst 2 6 75 20 � '� SW w �-` SAND w/Gravel, variegated, moist, 90%very fine to course 22 g axt` sand, 10% small cobbles, sub angular, no petroleum odor U24z*fi SAND, variegated, moist, 100%coarse well graded sand Mst 7 8 62 26 r SM SAND w/Silt, yellowish brown (1 OYR 5/4), moist, 85 to 90% well sorted very fine sand, 10 to 15%non plastic fines, some 28 black nodules, no petroleum odor V Mst 75 30 M LSILT w/Sand, gray brown (1OYR 5/2), very moist, 85 to 90% 32 non plastic fines, 10 to 15%very fine sand,no petroleum odor 34 V Mst 40 36 ML @ 35'As Above,brown (10YR 5/3), some white mottling 38 40 SAND w/ Silt, variegated, Saturated, 90% coarse well sorted Sat 50 sand, 10%nonplastic fines 42 CL CLAYEY SILT w/ Sand, dark yellowish brown (1 OYR 4/4), very moist, 85 to 90% low plasticity fines, 10 to 15%very fine 44 sand, black and white mottling, no petroleum odor