2008-04-23_GENERAL DOCUMENTS - M1977247

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Matheson • Mining Consultants, Inc. • April 23, 2008 Mr. Allen Sorenson Colorado Division of Reclamation, Mining & Safety 1313 Sherman Street, Rm. 215 Denver, CO 80203 Dear Mr. Sorenson: 2801 Youngfield Street, Suite 171 Golden, CO 80401 303 -456 -5638 Toll Free 888 -456 -5638 Fax 303 -456 -5639 www.mathesonmining.com MEWED APR 2 9 2008 Division or Neciamation, Mining and Safety Cory Loukides of Matheson Mining Consultants, Inc. (MMC) conducted 19 preblast surveys between March 4 —17, 2008, and obtained ground water samples from 16 wells on March 17 and 2 wells on April 17, 2008. All structures and wells were located with '/2 mile of the blasting limits for the Coaldale Quarry permit #M1977247 with the exception of the Latvala residence and well which falls outside this limit. Preblast surveys included the examination of all accessible areas of the occupied structures listed in Appendix I. The inspection report is based on an examination of only those portions of the premises readily accessible for visual inspection. No inspection was performed in areas that were obstructed, concealed, or closed off. No inspection was performed in areas that required the dismantling, removal, or movement of any object including, but not limited to: roof, wall, floor and ceiling coverings, furniture and appliances. The condition of the premises may change after the dates of inspection due to factors such as weather, fire, moisture, leaks, and action taken by the owner or others, or the passage of time. This inspection report describes the condition of the premises at the time of inspection, and generally follows the order in which each premises was inspected. A Sony digital video camera was used to document any pre - existing damage at each structure inspected. Water sampling was conducted and submitted to ACZ Laboratories in Steamboat Springs, Colorado for ground water analysis. Guidelines and recommendations described on ACZ laboratories chain of custody instructions were followed. Analytical results obtained from ACZ Laboratories are presented in Appendix II. This pre -blast inspection report includes the following for each property inspected: A DVD of the inspection, a condition inspection form and a description of the location and type of damage located on each DVD. DVD's are found in Appendix III.