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August 22 1 997 <br />Flatiro C <br />P. 0 . Box 229 <br />Boulder, Colorado 80 <br />Attention Mr. Ed McDowell <br />Drell <br />Subject: ► -stilts/ radation Test <br />Sample From Deepe Farm Pit <br />Boulder, Colorado <br />Job No. 25,385 <br />G entlemen : <br />As a samp o the ravels representati of those in <br />requested, pro coll T� <br />he Dee pe Farm Pry. The sample was as rom a - feet deep trench dug to bedrock in <br />' gilt sand g ravels with a #oehrin hclhoe. The <br />und�ur�aed, very d slightly � ]� <br />1 d sa mple was taken at a location between the levee and the pared site access <br />road a pproximately oo feet north of the original location of the scale house. <br />our laboratory and its gradation determined. The <br />The sa was fan �� r . <br />re f the radon test are on <br />Fig. 1 attached. The en sample �r sped <br />through the te <br />' <br />creor� No part icles were excluded (scalped) from the sample. <br />V ery truly yours, <br />C TUTHOMPSON, INC. <br />Franc J. Holliday, PE, C B <br />Principal Engineer <br />F H: dd <br />( 3 copies sent) <br />I cc: <br />Mr. Leslie H. Botharn, PE <br />L eonard Rice Consulting Water Engineers, Inc. <br />01 15 Street, Suite Soo <br />Denver, C olorado 8 0202-11 4 <br />CTL /THOMPSON, INC. <br />CONSULTING ENGINEERS <br />1971 WEST 12TH AVENUE = DENVER. COLORADO 80204 • (303) 825•[}777 <br />