Laserfiche WebLink
F,xhibit D-Mine Plan Amendment <br /> © Conduct a humidity cell test to empirically assess the relationship, under laboratory <br /> conditions, between drainage quality and solid phase composition using procedures <br /> outlined in ASTM D-5744 (Test Method for Laboratory Weathering of Solid <br /> Materials Using a Humidity Cell.) <br /> For all solids tests (e.g., SPLP, humidity cell, acid-base accounting, whole rock <br /> analyses, solution characterization methods. The operator will include sulfide <br /> sulfur in the ABA protocol which will also quantifies AP, NP,Net NP, paste pI I <br /> and acid soluble sulfate and sulfide. <br /> Quality Control and Assurance(QC/QA) Guidelines <br /> The operator will document QC/QA Procedures to assure that the sampling and analysis <br /> plan is implemented in accordance with the DR►MS requirements and that the <br /> observations and testing performed is adequately documented. <br /> Documentation <br /> At the completion of the analytical testing work, a completion report will be prepared that <br /> provides a brief description of the work performed and a certification that the work was <br /> performed in accordance with laboratory QA/QC procedures. <br /> Reporting: <br /> Reports will be submitted 30 days after receipt of the laboratory results. <br /> Company Contact <br /> Company communications should be directed to: <br /> George M.L. Robinson <br /> 3926 North State Highway 67 <br /> Sedalia, Colorado 80135 <br /> 303.932.7664 <br /> 720.641.2534(c) <br /> References <br /> R2 Incorporated (2010)Surface water analysis in the vicinity of the Idaho an:d Alayday Aline <br /> Permit Areas. Letter report prepared for the operator dated May 28, 2010. <br /> Skousen, J., Simmons, J., McDonald, L.M. and Ziemkiewicz, P. (2002)Acid-base accounting to <br /> predict post-mining drainage quality on stu,face mines. Journal of Environmental Quality, 31, <br /> 2034-2044. <br /> 112(d)Permit <br /> May Dal'and Idaho Mine and Mill Application <br /> M-1981-185 <br /> Revised -01.20.2017 <br /> Exhibit D—Rule 6.4.4 Page I of 13 <br />