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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 />ARer a careful review all of the potential impacts that blasting might have at the ].J <br />Fox, 2.J toeks, 3.J 8-Mile Clad, 4.) Beaver Creek, 5.) Pa on, 6.) Cedarrerood, <br />and 7.) Bdmundson mines on the local population; their dwellings, animals, structures <br />or buildings, water wells, and the environment in general, A G has found no cause or e/Iect <br />that would prevent the proposed blasting and mining from being safely performed. In <br />order to make this dcterrnination, A Chas used published blasting and engineering data, <br />as well as our experience directly involved in many projects where rock blasting was <br />performed without incident. 1/ach mine was visited to determine site specific conditions <br />and requirements. <br />2. AG has found no evidence suggesting that blasting and rock excavation will have <br />any significanC long-term impacts on the land that will be mined within Summit Brick's <br />various permitted mining areas. Noise and vibration from blasting would exist only <br />temporarily during each event and they are not expected to cause any lasting damage. <br />The effect or impact on groundwater would be negligible, as the blasting is taking place at <br />the surface 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 />