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STATE OF WASHINGTON <br />DEPARTMENT OF ECOLOGY <br />1250 IV Alder Street • Union Gap, WA 98903-0009 e (509) 575-2 {90 <br />March 27, 2024 <br />Patti Stacey <br />Kittitas County Solid Waste <br />925 Industrial Way <br />Ellensburg WA 98926-2886 <br />Re: 2024 Spring Agronomic rate approval <br />Dear Ms. Stacey: <br />Please accept this letter as an approval of agronomic rates for your sites (A -A, 2.2 acres and D-B, <br />6.2 acres) where you plan to grow spring wheat (with native vegetation) in spring 2024. <br />Based on soil sample test results dated March 1, 2024, and the nitrogen need of spring wheat (81 <br />lbs N/acre/year) with an estimated targeted grain yield of 30 bushels /acre, I have evaluated and <br />approved the following agronomic rates and total gallons for each site shown in the following <br />Table: <br />Application rate and total gallons of septage for each site <br />Sites Acres Application rate Total gallons <br />(gallons/acre/year) <br />A -A 2.2 25,764 56,681 <br />D—B 6.2 35,317 218,965 <br />Please track and tally gallons you land apply each time to ensure that septage land application <br />shall not exceed the total gallons for each site shown on the Table above. <br />In addition, septage must meet the pathogen reduction and vector attraction reduction via adding <br />lime to raise pH of septage (WAC-172-308-270) before land application. Land application must <br />be evenly distributed to the sites, without resulting in runoff, or migration from the sites. <br />If you have any questions please contact me at canming xiaona,ecLgov, or (509) 571-3542 <br />Sincerely, <br />