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TR07 *GCC <br /> Rio Grande <br /> jle <br /> October 18, 2019 RECEIVED <br /> Mr. Patrick Lennberg OCT 21 2019 3.3 <br /> Colorado Division of Reclamation, Mining, and Safety c <br /> Department of Natural Resources DIVISION OF RECLAMATION - <br /> 1313 Sherman Street, Room 215 MINING&SAFETY �. <br /> � O <br /> Denver, CO 80203 4AI—JIa`1 yj J T <br /> Re: Technical Revision to DRMS Permit M-2002-004 <br /> Proposed Revised Sampling and Analysis Plan for Groundwater Monitoring <br /> Dear Mr. Lennberg: <br /> GCC Rio Grande Inc. (GCC) owns and operates the Pueblo cement plant and associated on-site <br /> limestone quarry operations. GCC has prepared the enclosed Technical Revision (TR) o <br /> requesting a revision to the DRMS Permit M-2002-004 to revise the Sampling and Analysis Plan —� <br /> (SAP) for shallow groundwater monitoring at the site. c=I� <br /> W N <br /> Based on increased knowledge of the groundwater system at the site, groundwater monitoring <br /> locations and requirements have evolved since the previous SAP was prepared in 2003. The <br /> proposed revised SAP incorporates changes resulting from Technical Revision No. 3 (TR-03) <br /> approved by the Colorado Division of Reclamation, Mining and Safety (DRMS) in April 2013, and <br /> TR-06 approved by DRMS in July 2017. <br /> With this request, GCC is submitting a TR Cover Sheet and is enclosing remittance in the form of <br /> a check in the amount of$216.00. GCC looks forward to working with DRMS to finalize the SAP <br /> for its Pueblo facility. If you have questions or concerns regarding this submittal, please do not <br /> hesitate to contact me at (719) 647-6861. <br /> Sincerely, <br /> Dia�Fan <br /> Environmental Engineer <br /> Enclosures <br />