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r' <br /> FED) �F r <br /> • 22 April 2002 APR 2 3 2002 <br /> AGE- Project No 95-0131 <br /> Page 2 of 2fS°l, <br /> and chains of custody to reflect the correct screen intervals, all revisions are initialed by an <br /> AGE representative Copies of the above referenced tables, laboratory reports and revised <br /> monitoring well field logs are included for your records in Appendix C <br /> 3 Quarterly Report - First Quarter 2001, dated 14 May 2001 Screen intervals A and B at <br /> wells VW-2 and VW-3 were incorrectly identified (reversed) by AGE field technicians <br /> during a quarterly ground water monitoring event on 07 February 2001 To correct this error, <br /> AGE contacted MAI and requested revised reports to reflect the correct screen intervals <br /> Additionally, the well data sheet for VW-313 indicated the well was dry, however a VW-3B <br /> water sample was submitted for analysis and the chain of custody did not document a time <br /> of collection, AGE suspects that VW-3B labels were mistakenly put on sample field blanks <br /> AGE has revised Table Nos 1, 2 and 3, the original monitoring well field logs and chains <br /> of custody to reflect the correct screen intervals, all revisions are initialed by an AGE <br /> representative Copies of the above referenced tables, revised 07 February 2001 laboratory <br /> reports and revised monitoring well field logs are included for your records in Appendix D <br /> AGE has correctly marked each screen Interval on each well casing with a black permanent marker <br /> to ensure that screen intervals are not reversed at any wells during upcoming ground water <br /> monitoring events Additionally, AGE has placed a laminated index card depicting the monitoring <br /> well construction details in well boxes for VW-1, V W-2, VW-3, MW-6 and MW-7 <br /> We apologize for any inconvenience these oversights may have caused, and have included the <br /> revisions in Appendix B, C and D If you have any questions or require further information, please <br /> contact our office at (209) 467-1006 <br /> Sincerely, <br /> Advanced GeoEnviron mental, Inc. <br /> Timothy f C lar <br /> Project Geologist <br /> cc <br /> Mr Ed Endich, Top Filling Station <br /> Mr Marty Hartzell, California Regional Water Quality Control Board-Central Valley Region <br /> Advanced GeoEnvlronmental,Inc <br />