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has been implemented and monitoring and cleanup of groundwater is ongoing. Copies of <br />these documents were submitted to DMG on 11-20-07. <br />2. You have asked that the Division be informed as to when the lakes will be filled with water. The <br />dates for filling of the reservoirs have not been established at this time and will depend on a <br />number of variables, including the economy and housing needs. The earliest that they may be <br />filled is at the end of this year (late 2008 or later). Carma Bayshore proposes to provide notice <br />to the Division prior to filling the lakes. <br />With respect to the need for Carma to provide a surface water monitoring plan for when the pit <br />is ultimately filled, we propose the following: <br />a. Just prior to filling the lakes, the Division of Reclamation, Mining and Safety will be informed <br />when water storage in the lakes is to start and when they are expected to be filled. <br />b. Within 7 days after filling to within 2 feet of the full pool, the water in the two lakes closest to <br />the point of the gasoline release will be sampled and tested for BTEX, MTBE, and total <br />petroleum hydrocarbons. <br />c. The lakes will be sampled and tested a second time 3 months later. <br />d. The results will be reported by e-mail approximately 2 weeks after sampling and a brief <br />report with the written lab report will be submitted to the Division within 30 days after receipt <br />of the lab results. <br />e. If any contaminants are detected, corrective action will be taken and a plan submitted to the <br />Division., <br />f. After monitoring data demonstrates the water quality is at acceptable levels and has <br />achieved the approved reclamation plan of developed water resources, Carma will submit a <br />request to DMG to discontinue the surface water monitoring. <br />Please call me with any questions or comments at my office (303) 991-6000, on my cell phone at <br />(303) 507-7484, or e-mail me at serge cDe-21 engineering-com. <br />Sincerely, <br />E-21 ENGINEERING, INC. <br />ev*"_O' <br />Sergius N. Hanson, PE, PG <br />Environmental Engineer <br />Cc: Brad Davis, Carma Bayshore, LLC <br />Jodi Villa, Kennedy Jenks Consultants <br />Vinod Jayaram, Geocon/ Environmental Barriers, LLC <br />Warren Maierhofer, Vertex Engineering Services, Inc. <br />2 of 2