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8/22/2016 State.co.us Executive Branch Mail - Fwd: FW: FW: FW: Lorencito TR -19 Adequacy Letter Response <br />From: Koblitz, Jerry <br />Sent: Wednesday, June 29, 2016 11:47 AM <br />To: rob.zuber@state.co.us <br />Cc: Ron Thompson <ronthompson@newelkcoal,com>; Koblitz, Jerry <br /><J erry. Kobl itzarcad is, com> <br />Subject: Lorencito TR -19 Adequacy Letter Response <br />Hi Rob, <br />Thanks for the discussion today on the above referenced Adequacy Letter. To clarify and <br />provide some additional information, we offer the following: <br />The revisions that were submitted on Figure EX 15-14 were added to the base figure <br />dated January 16, 2002, as submitted and approved for TR -07. <br />SedCadd modeling methodology was the same as originally completed for the figure <br />created in 2002. <br />Modeling was updated for the sediment generation estimates and storage volumes <br />for Ponds 5, 6, 7, 8, 9, and 9a. <br />Modeling used the revegetation cover as sampled during 2014 and 2015 (see values <br />in run data submitted for the TR). <br />Elevation for Pond 5 is 6811.9 as indicated in the Figure EX 15-14, not 6760.5 or <br />6812.5 as indicated in your Adequacy Letter. <br />Please let me know if you have questions on this information or if we need to discuss any <br />of the other information submitted in the TR. My cell phone number below is best to reach <br />me. <br />Thanks, <br />Jenry Koblitz I Senior Vice President I jeii-irykolblllitz.@aircadlis-u.us,col rr <br />AJF�'CAI[.)IS U.S., Iniac. 1 630 Plaza Drive, Suite 100 1 Highlands Ranch, CO 80129 <br />T: 303 471 3438 1 M: 303 819 3312 <br />www.alrc;a6s ut s.c,clrn <br />lease consWer the e nAronnieunll b0'ore prinU ng this ernafl. <br />This e-mail and any files transmitted with it are the property of Arcadis. All rights, including without limitation <br />copyright, are reserved. This e-mail contains information which may be confidential and may also be privileged. <br />It is for the exclusive use of the intended recipient(s). If you are not the intended recipient(s) please note that <br />any form of distribution, copying or use of this communication or the information in it is strictly prohibited and <br />may be unlawful. If you have received this communication in error please return it to the sender and then delete <br />the e-mail and destroy any copies of it. Whilst reasonable precautions have been taken to ensure no software <br />viruses are present in our emails we cannot guarantee that this e-mail or any attachment is virus -free or has <br />https://mail.googl e.com/m ai I/u/0/?ui=2&i k=e29129fcb5&view=pt&search= i nbox&th=156a43fcd2640892&si m l=156a43fcd2640892 9/10 <br />