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Bori ag Number: AS-2 HORIZON ENVIRONMENTAL INC Job Number 141913 Site Location Beacon 12419, Stockton, Ca Drilling Company V & W Drilling Drilling Method Hollow—Stem Auger BK-81 Drilled By Ralph McGohey Sampling Method Split—Spoon Sampler Date Drilled 09/21/00 Total Depth 130 feet Logged By R Smith Depth To Groundwater NA D d C CL O L N j z 0 c a Z Soil Well Comments o c m E Description y Construction s o t an m o m E mv t or in o in c o U FL 65 0 0+ 9 9 620 SILTY SAND brown to grayish brown, SM 111111 very fine to fine-grained sand, trace ; y rig clay, medium dense, slightly plastic, r 112 112 very moist, strong odor •� 113 113 — — — — — — — — — — — 1 14 114 1 15 60 115 •` ti" 0+ 9 9 130 SAND brown, very fine to fine-grained SIP a, 116 116 sand, slightly silty, loose, slightly plastic, very moist, moderate odor e 117 117 9. 118 118 r • m 119 119 a_ 120— N 38 6 12D o bentonite 62 5 9 136 SAND brown, very fine to medium-� SP 121 vi 121grained sand alightly micaceous, very C4 loose, wet, moderate odor 122 122 3 sand 123 123- 124— 124 2 inch diameter 0 010 inch slotted PVC Screen 125 in 55 6 125 0+ 2 8 136 SAND brown, very fine to fine-grained SP 126 in 126 sand trace silt, slightly micaceous, loose, wet, slight odor 127 127 128- 126 129 -- - - - - - - - - - - 129 SANDY SILT/SILTY SAND grayish brown ML to brown, very fine-grained sand, S 130 o 50 6 130 slightly CIO y. firm, moderately plastic, Boring terminated at 130 feet 55 2 8 142 moist, ON odor 131 to 131 132 132 133 133 - 134— 134 135 135 136 136- 137— 137- 1381138- 37138138 139 139 140 140 Page 2 Of 2