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Advanced BORING LOG GeoEnvironental, Inc. BOREHOLE NO.: MW-1 837 Shaw Road, Stockton,CA 95215' (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 35 Feet.' Project: Bob's Muffler Shop Drlllin Co.: Mitchell Drilling Environmental Corp. Site Location: 466 Moffat Boulevard Rig/Auger Type: CME-75HT/8"Dia.Hollow Stem Augers ' Manteca, California Logged By: T. Mikacich Reviewed By: N. Henderson Project No.: AGE-NC-98-0520 Date(S ) Drilled: 12/09/99 Notes" 4 Water level during drilling Rage I of 1 Water level in completed well I I De th Sample I Blows PID Soil USCS Class and Well Well p ID. (per 6") -(ppm) Symbol Soil Description' Completion. Description 7 i i Cement grout seal from' I 0.5 to 9'bsg. No sample collccted. _5 MW-1-5' -- I i SP:-SM:Brown,moist,POORLY 3RADED SAND i MW-I-l0' 16/9114 0.0 WITH:SILT;fine to medium sand, 10%silt tines,no Bentonite seal from 9 petroleum hydrocarbon(HC)odor. to 12' bsg. 1 -15- SP:Brown,moist,POORLY GRADED SAND;with MW-1-I5' 8!12113 0.0 medium sand, i0%coarse sand to sne gravel,trace silt, ##3 sand from 12 to 35' no HC odor. bsg. t r 20— ML:Brown to olive-gray,wet,SIL ;witb trace fine 21 MW-1-20' 811511.8 18 I I sand,micaceous, 1"layers of medi Im sand,HC odor. I - I -25ML:Gray to olive-green,wet,SIL ;with 10%fiiic to MW=1-25' 81911 6 1. medium sand;micaceous,HC odo . semen interval with (0.020")from t5 to 35'bsg. I I - 30-- MW-1-301 M L:Gray to olive-green,wet,SILT;with fine sand, i9/12/15 0:0 micaceous,HC odor, i 1 CL:Gray to olive-green,moist;LE N CLAY;with .. trace'silt and medium sand,low to medium plasticity,. i slight HC,odor: i _35— MW-1-35 9115118 0.0 End cap at 35'. ML:Brown to olive-green;wet,SILT;with trace fine sand and clay,slight HC.odor.