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J M Equipment Boring Dia 8' <br /> 1245W Charter Way LOG OF BORING MW-4 Tot Depth 35 <br /> Stockton, CA Casing Depth 35 <br /> Project No 507 2 (Page 1 of 1) <br /> Casing Dia 2 <br /> Date 4!8199 Screen Interval 15-35 <br /> r r Drilling Method HSA Slot Size 002 <br /> Geologw .�. Driller V&W Drilling Filter Pack 1335 <br /> 2"ecfmws Logged By M Niemi Annular Seal 11-13 <br /> Grout 0-11 <br /> Inc. Water Depth +1 15 <br /> Well MW-4 <br /> p � U <br /> De th Lab Time 0 a OVM Elev <br /> Sample o DESCRIPTION <br /> Feet a v (ppm) <br /> m 0 Z) �-- Cover <br /> 0 <br /> 5 <br /> 12 38 $ CLAY-brown,plastic moist <br /> 15 CL a <br /> 10 <br /> 11 <br /> 12 a2 SILT-brown slightly plastic,moist ML o <br /> 50 <br /> 15 <br /> X 1245 � SILT-bluish grey slightly plastic, sticky,wet, slight ML 2 <br /> 15 gasoline odor <br /> 20 <br /> 12 49 15 SANDY CLAY-bluish grey,very fine grained plastic CL 824 <br /> 17 gasoline odor <br /> 25- <br /> x 12 52 1j SANDY CLAY-bluish grey, very fine grained, plastic CL 217 <br /> 22 gasoline odor Easy drilling at 26' <br /> s <br /> 4 <br /> 9 30 6 <br /> 12 5a 10 SAND-black,medium to coarse grained,loose, gasoline $P 57 <br /> m 21 odor <br /> s <br /> Hard drilling at 33 <br /> Q <br /> m 35 <br /> X CL <br /> 13 D4 3U AYblh hard, l <br /> - uisgrey, ar , plastic, calcium carbonate CL 3 <br /> 50 gasoline odor <br /> m <br /> rn <br /> m <br /> ry <br /> 40 <br />