Laserfiche WebLink
Ai <br />i6L <br />SFNFCA <br />Property, LLC <br />Janet Binns <br />Division of Reclamation, Mining, and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Seneca Property, LLC <br />RECEIVED <br />OCT 12 2016 <br />Division of Reclamation, <br />Mining & Safety <br />September 30, 2016 <br />RE: Seneca II West, C1982-057, Technical Revision No.82, Preliminary Adequacy Response <br />Dear Mrs. Binns, <br />Seneca Property, LLC (SPL) has received your Preliminary Adequacy Response addressing two items of <br />interest to the Technical Revision No. 82 submitted by SPL. To address the items of interest SPL has <br />provided the following responses: <br />1.) Please compile a plot from the existing data collected at WTC201 showing the depth to water, <br />Iron, Manganese and Sulfate, plotted against time. <br />Response: <br />Well WTC201 was responsible for providing water to the mine shop facilities. This well was <br />drilled to provide a reliable water source to the shop facilities; as a result this well is 760 feet deep. <br />SPC believes that because of the depth of the well, the water quality was never affected by the <br />mining activity. This well was operated by electricity and could only be monitored for water <br />quality when the power was connected. The well was sampled annually for water quality starting in <br />the early 1990's and was discontinued in 2014 when the power was turned off. Well WTC201 is an <br />artesian well with a sealed wellhead; therefore, the depth to water could not be monitored <br />throughout the history of the well. Attached, SPC has provided plots of Iron, Manganese and <br />Sulfate, plotted against time to include the life of the water quality monitoring of the well. Please <br />refer to plots 1, 2 and 3 attached to this submittal. <br />Attachments: <br />• Plot 1: Iron, Plot 2: Manganese, Plot 3: Sulfate <br />2.) Please include a commitment in the permit text that, "At least one year prior to applying for bond <br />release (two years is preferred), the operator will resume monitoring for the entire suite of <br />parameters." <br />Seneca Property, LLC • 29515 Routt County Road #27 • Oak Creek, Colorado 80467 <br />Telephone (970) 870-2712 <br />