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i SOIL BORING LOG Boring No B-48 Sheet 4 of 5 Client f=ormer Arco Station 6100 Date 11/2112005 As 25775 Patterson Pass Road Drilling Company GreggDrilling ng type Mobile Drill B-80 Trach CA DnUer Chris St Pierre Project No U6100 Method Mud Rotary hole dram 5" Lagged By Scott Bittinger Sample Blow Sam le Well Depth Descriptions of Materials PID Construc LrrHO TyE2 No Count Time Recov t. Scale COLUMN and Conditions PPAA 101 M SILTY SAND 100_5-101 light olive brown 65%fine grained sand 35% _ fines,dry medium dense ---- - 102 ML CLAYEY SILT light olive brown dry stiff(10i'-102) -- _ 103 ML SILT 102'-104' light olive brown. dry, medium stiff S 848-i 03 9 55 -- - _ 0 104 ML CLAYEY SILT light olive brown dry very stiff(104'-105 5') 105 _ 196 M L CLAYEY SILT,light alive brown with while caliche r verb stiff -- - - ----------------------------------- - --------------- _ (105 5-108 5') 107 108 S B48-109 1010 109 0 _ SM SILTY SAND,olive brown 75%fine grained sand 25%fines,moist 110 medium dense 108 5-110 5 ------------------------------------------------ ---------------- ------—---)---------------------------------------------------------------- 111 ------------------------------------------------------ --------------------------------------------------------------------------------------------------- --- B48-112 1018 112 ML CLAYEY SILT 110 5-1125 light olive brown,dry_very stiff _ _ 0 113 114 ML --Material is- -------------------------------- --------- --------- ------------------------------------ _ SILT olive brown with white caliche dry very stiff 115 116 _ _ __ --------------------------------------------------- - - - --- -- - -------------------------------------- _ ML SANDY 51LT,olive drown 55 60%silty fines 40-45%very fine grained SB48-117 10 30 117 sand moist stiff 118 119 SM No recovery 117 5-120' 120 Comments •