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Boring N7urnb er: AS-3 HORIZON ENVIRONMENTAL INC Job Number 1419 13 Site Location Beacon 12419, Stockton, Ca Drilling Company V & W Drilling Drilling Method Hollow—Stem Auger BK-81 Drilled By Ralph McGahey Sampling Method Split—Spoon Sampler • Date Drilled 09/20/00 Total Depth 86 feet Logged By R Smith Depth To Groundwater NA `m a = 'o CL L! z L a n Z Soil L Well Comments o as o E Description in Construction Q. O L a7 m D C in E m a' ac to a co U Asphalt and base , 1 1 a 8–inch diameter bore hole 2 2- 3- 4— 3 4 4 Neat cement SILTY SAND brown, very fine to Smm 5 $ medium–grained sand, fir , slightly ,• �� < moist, no odor 7 • i 6 ro 11 & ■ '■ rn 14 18 14 0 t �•` 7 7— El- 10— 8 10 10 15 * - 34 • . •, 11 11 j 38 18 15 0 SAND brown very fine to medium– SP ' in grained with minor coarse–grained .' 12 12 sand firm slightly moist, no odor 13 13- 14— 3 14 14- 15- - 4 15 15 '• •{ o 14 L)16— ••%. ao 35 16 U N 38 18 1 B 0 SAND brown very fine to medium– SW grained with minor coarse–grained 17 17 sand• minor interbedded silty sand, firm, slightly moist, no odor + m 18 is- 19— 8 18 19- 20— 9 2D 20 a •A 18 m 21 50 12 10 0 21 SAND brown very fine to medium-- SW f` - , grained with minor coarse–grained sandsligghtly silty slightly micaceous 22 22 firm, sltghtiy moist, no odor 23 23 ••• •4 r < • r 24 24 - - - - - - - _ - - - + s - 25 25 ■•� •� 18 ,- �0 2B 27 40 10 15 0 28 SILTY SAND brown, very fine to fine– SM + V) grained sand slightly plastic, firm •' 27 27 moiat, no odor •• . 28 28 ` "• A 29 29- 30 30 Page 1 Of 3