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2420 Grant Line Road <br /> Page 2 <br /> 1 <br /> On January 11, 1994, the monitoring wells were surveyed, measured and sampled by <br /> AST. The groundwater gradient direction was estimated to be north/northeast; however, <br /> the gradient was not reported. The laboratory analysis of samples collected from MW1 <br /> and MW2 evidenced groundwater contamination. <br /> Based on available information, additional soil and groundwater investigation will be <br /> necessary to define the extent of contamination. The results of the groundwater samples <br /> collected on April 13, 1994 for analysis should be reported within a quarterly report due <br /> May 31, 1994. A work plan for additional investigation should also be included within <br /> the quarterly report. Please be informed that quarterly monitoring is recognized as a <br /> minimum reporting requirement. <br /> If you have any questions, please contact Mary Meays .at (209)'468-0337. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> Mary Meays, Senior RENS D1ne M. 'nson,r REHS <br /> Site Mitigation Unit Supervisor <br /> MM:lb <br /> c: Elizabeth Thayer, CVRWQCB <br /> c: Sohrab Rahimzadeh <br /> c: Alex Kassai, Advanced Soil Technology E <br /> j <br /> } <br /> I <br /> I <br /> i , <br />