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HYDROGEOLOGIC LOG FOR GAR-30 <br />BARCLAY RIDGE -- SECTION III <br />LOUDOUN COUNTY, VIRGINIA <br />Project: Barclay Ridge -- Section III Casing Depth: 68' Casing Stickup: 1' <br />Driller: Singhas cei Michael Corp. Casing Thickness:.188 " <br />Date Drilled: //13/01 Depth Drilled:250' <br />Drill Rig Type: Air Rotary Depth to bedrock: 20' <br />Well Diameter: 6" Air-lift Yield: 35 gpm <br />Latitude: N 38 ° 59'45" Longitude: W 77° 36'24" Grout Type (Depth): Bentonite (60) <br />Virginia Planar Grid Coordinates: E 2,253,930 N Loudoun County Permit #:1773 FW 00 <br />Depth AIR-LIF Graphic <br />(feet) YIELD * Log Descriptive Log <br />(gpm) <br />0 <br />20 <br />Casing <br />0' - 20': Saprolite. <br />ao ~~ 20'-250': Reddish-brown, fine-grained, poorly to moderately bedded sandstone interbedded with a <br />60 :: grey medium-grained sandstone. <br />ao <br />ioo <br />izo <br />X60 5 140': WATER-BEARING ZONE: 5 gpm. TH <br />~ ~F <br />i so <br />Zoo <br />35 ~ <br />p~, <br />210': WATER-BEARING ZONE <br />30 <br />~ ~ <br />o : <br />gpm. ~ <br />~ <br />2ao <br /> 250': End of drilling. ~ <br />~ (~ <br /> <br />260 ~ <br />• <br />* Yield determined during drilling of 6" test well. U ~~C <br /> <br />LEGEND ~ <br />SAPROLITE: Residual products of in-situ weathering of bedrock. ~-~ <br />" 5~~~ <br />SANDSTONE: Reddish-brown, poorly to moderately laminar bedded, calcareous, mostly fine-to medium- <br />grained sandstone. Interbedded with a grey, medium-grained, poorly bedded sandstone. <br />® WATER-BEARING ZONE: Where yield of well increased. <br />GAR Iogs.xls;GAR-30 Page 1 Emery and Garrett Groundwater, Inc. <br />