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hearing on Amendment No.l. Condition No.l of the Board's approval states in part " <br />No de-watering or extraction activities will occur until Aggregate Industries develops a <br />plan to monitor the gravel pit pond water for diisopropylmethylphosphonate (DIMP) and <br />obtains approval of that plan from the Division of Minerals and Geology." The condition <br />goes on to list the information required in the plan. A seazch of the file does not show <br />that such a plan has been submitted to the Division for approval. A copy of a letter from <br />Molen & Associates, LLC to Jamie Gaboriau of Aggregate Industries was found in the <br />file that discusses sampling and analysis of DIMP. Please refer to condition No 1 and <br />submit your plan for monitoring for DINLP in the gravel pit pond before de-watering or <br />extraction activities begin in the Amendment No. 1 mining area. <br />Please call me at 303-866-4922 if you have questions. <br />S~iQncerely ~~f ~7 / Q ~ <br />,arty D. Oehler <br />Environmental Protection Specialist <br />Cc: Kazen Topper <br />Robert N. Fleming - ADCO Consulting <br />Harry Posey - DMG <br />