Borehole Log: MW-18-D Project No.: 1629-0902 Project: Klondike Camp Phase II ESA Client: Yukon Environment Site Location: Dempster Highway, Kilometre 65.1 Logged By: BZReviewed By: LW SUBSURFACE PROFILE SAMPLE Vapour Well Details Sample Description ppm No. 11E4 Depth Symbol Depth Split Spoon Blow Count per six inch ft m Ground Surface 0.0 0 0 Fill 1 Some sand, some gravel, 2 some cobbles, brown, dry, dense. 3 1 4 5 6 2 7 8 9 11000 ppm 3.0 3 10 SS1 10'-12' 7/9/8/9 Sand and Gravel MW18-S1 11 Coarse sand, fine to coarse 12 gravel, trace cobbles, brownish grey, wet, dense, hydrocarbon 13 4 odour, sheen. 14 4.6 15 SS2 15'-17' 7/10/14/9 130 ppm Gravelly Sand 16 Fine to medium gravel, trace 5 5.2 MW18-S2 17 cobbles, grey, wet, medium 100 ppm dense, hydrocarbon odour. 18 SS3 3/5/7/8 Sand 19 MW18-S3 18.5'-20.5' Fine to medium grained, some 6 20 2" solid pipe Cuttings and Sand 2" screened pipe Concrete silt, grey, wet, soft. 21 6.7 22 Sand and Gravel 23 7 Coarse grained, trace cobbles, 24 grey, wet, dense. 40 ppm Bentonite Sand Bentonite 25 SS4 25'-27' 15/17/13/14 26 8.1 MW18-S4 8 27 Sand Fine to medium grained, trace 28 gravel, grey, wet, medium 29 dense. 9 9.1 30 End of Borehole 31 Drilled By: Geotech Drilling Services Ltd Drill Date: 25/09/09 Drill Method: Hollow Stem Odex (Air Rotary) Depth to Water Date: 29/09/09 Well Dia: 2"/ 5 cm Top of Casing Elevation: 100.880 Hole Dia: 6"/ 15 cm Ground Level Elevation: 100.030