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<br />GEOCHRON LABORATORIES adihsionol <br />KRUEGER ENTERPRISES, INC. <br />711 CONCORD AVENUE • CAMBRIDGE, MASSACHUSETTS 02138 • U . S . A <br />TELEPHONE. (617)8763691 TELEFA%: (617)661-01d8 <br />RADIOCARBON AGE DETERMINATION <br />REPORT OF ANALYTICAL WORK <br />Our Sample No. GX-22910 <br />Your Reference: letter of 02/23/97 <br />Submitted by: t1r. :Celly Payne <br />Mayo & Associates <br />710 East 100 tJorth <br />Lindon, Utah 84042 <br />Date Received: 02/26/97 <br />Date Reported: 0 3 / 1 4 / 97 <br />Sample Name: B East t4ains E2 XC21 <br />groundwater precipitate <br />AGE = Greater than 42,380 C-14 years BP (C-13 corrected). <br />Less than 0.78 ~ of the modern (1950) C-14 activity. <br />Description: Sample of groundwater precipitate. <br />Pretreatment: The barium salt precipitate was rapidly vacuum filtered <br />and immediately hydrolyzed, under vacuum to recover <br />carbon dioxide from the barium carbonates for the <br />analysis. C-13 analysis was made on a small portion <br />of the same evolved gas. <br />Comment: <br /> <br />Notes: This date is based upon the Libby half life (5570 years) for "C. The error stated is tta as judged <br />by the analytical data alone. Our modern standard is 95% of the activity of N.B.S. Oxalic Acid. <br />The age is referenced to the year A. D. 1950. <br />