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RECOMMENDED PRACTICES AND CONTROLS <br />For BLASTING OPERATIONS at <br />SUMMIT BRICKAND TILE CO.'S <br />CLAY MINES <br />CONCLUSIONS and SUMMARY <br />The following general summary of findings, which considers the impacts of the proposed <br />blasting and excavating work of Summit Brick and Tile Co. (Summit Brick) are reviewed <br />by Albuquerque Geological (AG). Conclusions and specific recommendations for <br />controlling specific aspects of the blasting and excavating work are included in sections of <br />this report addressing each individual mine owned and operated by Summit Brick. <br />1. After a careful review all of the potential impacts that blasting might have at the 1.J <br />Fox, 2.J Stocks, 3.J 8-Mile Clav, 4.) Beaver Creek, 5.J Patton, 6.) Cedarre~ood, and <br />7.J Edmundson mines on the local population; their dwellings, animals, structures or <br />buildings, water wells, and the environment in general, A G has found no cause or effect that <br />would prevent the proposed blasting and mining from being safely performed. In order to <br />make this determination, A G has used published blasting and engineering data, as well as <br />our experience directly involved in many projects where rock blasting was performed <br />without incident. Each mine was visited to determine site specific conditions and <br />requirements. <br />2. AG has found no evidence suggesting that blasting and rock excavation will have any <br />significant long-term impacts on the land that will be mined within Summit Brick's various <br />permitted mining areas. Noise and vibration from blasting would exist only temporarily <br />during each event and they are not expected to cause any lasting damage. The effect or <br />impact on groundwater would be negligible, as the blasting is taking place at the surface <br />and the depth of groundwater in all cases is significantly below this level. <br />A site-specific plan has been made for each individual mine site and is shown above. There <br />maybe be slight variations to the information included within this report, however, in all <br />circumstances, all conditions stated here-in are to be considered a maximum conditions or <br />amounts of powder used. <br />4 <br />