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• • Mr.Tun O'Brien <br /> March 3,2005 <br /> Page 2 <br /> the MWCR is duplicated below. A copy of the surveyor's report is included in the <br /> MWCR. <br /> Table 1: Summary of Well Construction <br /> Casing Screenkia <br /> Depth' Depth Total <br /> Well Ref. to Top to Top Boring <br /> Length Length Easting(ft) Northing(ft) <br /> ID Elev. bBent. Sand Depth <br /> (ft) (ft) (ft ft) ft) _NMW-1 69.75 104.5 20 98 101 125 6374380.2728 2193288.7628 <br /> MW-2 66.03 104.5 20 98 101 125 6373475.0187 2194279.8271 <br /> MW-3 68.09 109.5 20106 109 130 6373332.9311 2193161.4705 <br /> MW-4 66.80 113.0 20105 108 135 6373335.8440 72192809.1028 <br /> (5) A copy of the groundwater elevation contour map originally included in the MWCR is <br /> attached. The map sent with the request for well replacement did not include <br /> groundwater elevation contours. I apologize for the oversight. Please reference the <br /> MWCR for information regarding well gauging used to construct the groundwater <br /> contours. <br /> If you find that you do not have a copy of the MWCR, please contact me immediately and I <br /> will be happy to have a copy e-mailed or sent by overnight delivery to you. <br /> As you know, a Quarterly Groundwater Monitoring Program is being initiated at the site <br /> beginning the first quarter 2005. It is our intent to immediately install the replacement well, <br /> such that it can be included in the quarterly monitoring program. Your prompt attention to <br /> this matter would be appreciated. <br /> Should you have any questions regarding this letter, please do not hesitate to call either myself <br /> or Mr. Dave Welch at 209.367.3701. <br /> Sincerely, <br /> '1Anderso &Associates, Inc. <br /> i <br /> Richard Ryan <br /> Senior Geologist <br /> n .tl Gc <br /> < O <br /> wF <O <br /> Davt J. Welch, M.Sc. .? No. 2t51 S <br /> CEG-2151 CHG-653 GP-1049 CERTIFIED . <br /> ENGINEERING <br /> Environmental Department Manager �P� GEOLOGIST �Q <br /> OF�.,FUFOP <br />