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I <br /> Former Canteen Facili January ty Janua 20, 2003 <br /> OuaTterly Groundwater Momtonng Report Page 5 <br /> • <br /> Continue groundwater monitoring and reporting, including measurement of depth to <br /> groundwater in each well, evaluating monitor well status, preparation of a <br /> Ipotentiometric surface contour map containing the calculated gradient and <br /> approximate rate of groundwater movement, and preparation of isoconcentration <br /> contour maps for benzene and TPH(g) at the two different screened aquifer depths <br /> • The schedule for groundwater monitoring is as follows <br /> IQuarterly Monitoring Annual Monitoring <br /> (All four Quarters) (4`h Quarter) <br /> IMW-3, MW-3A, MW-31),MW-11 All Wells <br /> MW-13, MW-13A, MW-13B <br /> IAll site monitor wells will be gauged quarterly If an analyte is not detected by the <br /> laboratory for two consecutive quarters, then that analyte will only be monitored for <br /> during the annual event AES-RS understands that should a removed analyte be <br /> detected in a monitor well during annual monitoring, quarterly monitoring and <br /> analysis will resume for that well Groundwater monitoring will be performed during <br /> the second month of each quarter and quarterly monitoring reports will be submitted <br /> to the appropriate county and state agencies by the 1511 of the first month following <br /> Ithe end of each quarter <br /> I <br /> I <br /> I <br /> • <br /> a <br /> �LICES�� <br />