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USTCOGC89-121 <br /> Ms. Jane Cochrane <br /> Page 2 <br /> It is our opinion that the rate of 40 minutes per inch be used <br /> to determine the allowable absorption area when designing the <br /> residential sanitation systems. <br /> In keeping with the Manual of Septic Tank Practice/U.S. Department <br /> of Health, Education and Welfare, the allowable rate of sewage <br /> application for the site should be . 9 gallons per square foot per <br /> day. <br /> We apologize for the delay and appreciate your cooperation. The <br /> opportunity to serve you is greatly appreciated. If there are any <br /> questions please do not hesitate to call. <br /> UNITED STATES TESTING COMPANY, INC. <br /> Sincerely, <br /> Vincent J. Patula Will am D. Reed RCE �i35784 <br /> Project Geologist Project Engineer. <br /> VJP/WDR/bc <br /> cc. Mid-Valley Engineering <br />