Laserfiche WebLink
~ III IIIIIIIIIIIII III <br />== <br />7WttleApplegate,lnc. `'~~CE~VED <br />Consultants for Land, Mineral and Water <br />JUN ~ 5 2000 <br />June 2, 2000 <br />r)ivision of Minerals 8 Geobgy <br />Division of Minerals and Geology <br />Department of Natural Resources <br />Attn: Mr. Tom Schreiner <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />RE: Response to Additional Adequacy Review Comments, 112 Construction Materials <br />Application, Mobile Premix Concrete, Inc. a subsidiary of Lafarge Corp., Tanabe <br />Pit, Application No. M-2000-002 <br />Dear Mr. Schreiner: <br />In response to the additional comments submitted by the Division on June 2, 2000, the applicant <br />will revise the mining and reclamation application for the proposed Tanabe site with the <br />following items. <br />• As part of the pit dewatering system, the applicant will install adouble-lined containment <br />system from the edge of the affected land to [he point of discharge. In the event of a <br />failure of the containment system that causes a leak of the dewatering flow outside the <br />proposed site boundary, the applicant will notify the Division within 24 hours of the leak <br />detection. <br />If, at some puin[ in the future, concerns regarding elevated contaminant concentrations in <br />dewatering flows are determined to be unfounded, the applicant may request, as part of a <br />technical revision to the proposed pernrit, to replace the double-lined containment system <br />with a more conventional system. <br />Prior to any discharge of dewatering flows from the proposed Tanabe site, the applicant <br />will provide a letter to the Division from the Colorado Department of Public Health and <br />Environment (CDPHE), Water Quality Control Division, stating that the applicant has <br />approval to discharge offsite. <br />• In the event of an exceedance of a state water quality standard during offsite discharge of <br />dewatering flows from the proposed Tanabe site, to the extent that the CDPHE must be <br />notified, the applicant will submit a copy of the notice to the Division. <br />Page I <br />11990 Grant St. • Suite 304 • Denver, CO 80233 5441 Boeing Drive. • Suite 200 • Loveland, CO 60536-8855 <br />(303) 452-6611 • Fax (303) 452-2759 (970) 461-9884 • Fax (970) 613-1177 <br />