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September 24, 2012 <br />4 r. Peter Hays <br />Division of Reclamation, Mining and Safety <br />1300 Sherman Street, Room 201 <br />Denver, CO <br />Dear Peter: <br />Very truly yours, <br />Connie N. Davis <br />Land Advisor <br />Enclosures <br />RECEIVED <br />SEP252012 <br />DIVISION OF RECLAMATION <br />MINING AND SAFETY - - <br />Re: M- 2000 -082 - East 8 Street Operation — Acreage Reduction Request Inspection <br />1.. <br />Aelsi <br />-LI_ <br />AGGREGATE <br />INDUSTRIES <br />The Division's report of the inspection conducted August 30, 2012 indicated a possible <br />problem because the Division has no evidence that the Leprino Lagoon located in the <br />northwest corner of the release area is in compliance with the State Engineers Office. I <br />contacted Leprino and was advised that the water in the lagoon is industrial waste water <br />from their cheese processing facilities and, since the lagoon is an industrial wastewater <br />facility which neither diverts groundwater into the lagoon for storage nor interacts with <br />groundwater, it does not fall under State Engineers Office regulation. <br />Leprino provided me with specifications and as -built drawings with details of the dual <br />HDPE membrane lined lagoon, which are enclosed for your reference. We believe that <br />this information adequately addresses the concerns that the State Engineers Office raised <br />with regard to releasing the site, but please contact me at (970) 396 -5252 or <br />connie.davis @aggregate- us.com if there are any further questions <br />AGGREGATE INDUSTRIES <br />WESTERN REGION <br />1707 Cole Blvd , Suite 100 <br />Golden, CO 80401 <br />Telephone (303) 985 -1070 <br />Facsimile (303) 716 -5295 <br />www aggregate -us com <br />An Equal Opportunity Employer <br />An AGGREGATE INDUSTRIES company <br />