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1 <br /> Mr. Robert Fowler -2- 28 March 1989 <br /> the foundation material may be used and determine if the <br /> material represents a threat to water quality at each site . <br /> In summary, we can cite several factors which should minimize <br /> any potential threat to water quality due to the proposed use <br /> of the sand-ash foundation material . The ash is non- <br /> hazardous, it is being used as a product with definite <br /> properties which enhance the bearing capacity of soils used <br /> in building foundations, the material is used at widely <br /> scattered sites, and buildings constructed over the <br /> foundation material provide protection from surface water <br /> contact with the ash. In addition, you will to handle the <br /> ash at your facility in a manner which minimizes contact with <br /> water and any runoff will be controlled. <br /> Based on these circumstances your proposed use of the Energy <br /> Factors ash as an admixture to sand should not represent a <br /> threat to water quality . Therefore, we do not recommend <br /> regulation of this activity under Title 23, California Code <br /> of Regulations, Chapter 3, Subchapter 15 as a discharge of <br /> waste to land. You may, however, need to obtain ap2,Koval <br /> from the San Joaquin County Local Health District before <br /> starting this project . <br /> If you have any questions, please call me at (916) 361-5732 . <br /> STEVE E. ROSENBAUM <br /> Engineering Geologist <br /> WJM:SER: <br /> cc: Mr. Norm Reilly, Department of Health Services, <br /> Sacramento <br /> Mr. Jesse Adams, California Waste Management Board, <br /> Sacramento <br /> --Mr. Alan Biederman, San Joaquin County Local <br /> Environmental Health, Stockton <br />