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G <br /> <br />f(ECEIVED <br />July 1, 2010 <br />Mr. Jared Ebert <br />Division of Reclamation, Mining & Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />JUL 0 2 wo <br />Divislmiining a f tty one <br />Re: Permit No. M-1989-120 - Platte Valley Operation <br />Technical Revision Request - Groundwater Monitoring Wells <br />Dear Jared: <br />TR,?3 <br />9 <br />AGGREGATE <br />INDUSTRIES <br />In accordance with the corrective action set forth in your May 13, 2010 inspection report, Aggregate <br />Industries submits this technical revision request to address groundwater monitoring wells installed at the <br />Platte Valley Operation in association with the inert fill reclamation activity being conducted by Patrick <br />Broda at the site. As indicated in your inspection report, the Colorado Department of Public Health and <br />Environment (CDPHE) is requiring Mr. Broda to install the wells around the pond to test groundwater <br />quality to ensure that "drilling fluid" or "daylight mud" that is backfilled at the site has not impacted <br />groundwater quality. While your report indicates that CDPHE was requiring four wells to conduct the <br />monitoring, the number of wells agreed upon between Mr. Broda and CDPHE was three. <br />As we have previously discussed, Mark Molen, of Molen & Associates environmental consultants, <br />represents Mr. Broda and has coordinated with CDPHE and the State Engineers Office regarding the <br />location, installation, monitoring and abandonment requirements for the wells. These details and well <br />location map are included in a letter prepared by Mr. Molen and enclosed herewith together with a check <br />from Mr. Broda in the amount of $216 for the technical revision filing fee. <br />Please contact me if you have any questions or require additional information. <br />Very truly yours, <br /> <br />Connie N. Davis <br />Land Advisor <br />Enclosures <br />Aggregate Industries <br />West Central Region, Inc. <br />1707 Cole Blvd., Suite 100 <br />Golden, CO 80401 <br />Telephone: 303-985-1070 <br />Connie N. Davis, Land Advisor <br />P. O. Box 337231, Greeley, CO 80633 <br />Phone: (970) 336-6526; Fax: (970) 378-6856 <br />An Equal Opportunity Employer