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PROJECT NO. 58100-06-1 1 A CD BORING/WELL NO. MW 4 F- ~ U- J WHW W N(n r Z = DATE DRILLED 4/26/95 WATER LEVEL (ATD) 64.0 WELL HEADSPACE O 4 Z W J <E F- CONSTRUCTION (PPH) d m J EQUIPMENT MOBILE B-61 H.S.A DRILLER WESTEX SOIL DESCRIPTION QO. ' 4 INCH ASPHALT FILL (12 INCH BASE MATERIAL) 02 11:2-o 2 Dense, brown, Sandy, fine to coarse GRAVEL o. o.� ALLUVIUM 3 Very dense dry, light orange-brown, Sandy CLAY with trace silt (CL) IN/// 4 89 MW4-I <1 5 1422 /i 6 7 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -- - / 8 _ Stiff, moist, light brown, Clayey SILT trace fine sand (ML) j 9 67 MW4-2 <1 10 1434 11 12 - 13 14 / / 60 MW4-3 -Trace of calcium carbonate / <1 15 1442 16 17 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -- 18 Very dense, moist, light reddish-brown, Clayey, 19 �� fine-grained SAND (SC) / 60 M4-4 4 � <1 . 20 21 22 � . - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -- - 23 Stiff, moist, brown to olive-brown, Clayey SILT with 24 trace of fine to coarse sand (ML) 63 MW4-5 /1 1 <1 Figure A-4, log of Boring MW 4 Continued Next Page SYD CASING ELEVATION: QUANTITY OF FILTER MATERIAL: 7 - 100 11) bags DIAMETER& TYPE OF CASING: 4 inch PVC sched. 40 WELL SEAL& INTERVAL: Bentonite chips 53.5 to 56.5 feet CASING INTERVAL: 0 to 59 feet WELL SEAL QUANTITY: 2 - 701b bags VELL SCREEN: 0.020 inch ANNULUS SEAL/INTERVAL: Cement-bentonite 2 to 53.5 feet SCREEN INTERVAL: 59 to 74 feet ADDITIVES: none WELL COVER: 12 inch Traffic rated cover WELL DEPTIi: 74.3 feet _ FILTERPACK/INTERVAL: #3 Sand 56.5 to 74.3 ft ENGINEER/GEOLOGIST: IAN MOORHEAD NOTE: THE LOG OF SUBSURFACE CONDITIONS SHOWN HEREON APPLIES ONLY AT THE SPECIFIC BORING OR TRENCH LOCATION AND AT THE DATE INDICATED. IT IS NOT WARRANTED TO BE REPRESENTATIVE OF SUBSURFACE CONDITIONS AT OTHER LOCATIONS AND TIMES.