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2016-05-02 MINUTES 2 <br />the General Permit and requires screening of all material to <br />3/8” or less. He explained that producers are required to sample <br />their biosolids and send those samples to an accredited lab, <br />noting there is a minimum sampling frequency with requirements <br />that are based on the volume generated and how the biosolids are <br />produced and stored. He stated that a sampling and analysis plan <br />is required of all treatment plants and they are required to <br />sample for pollutants, pathogens, and nutrients using <br />appropriate protocols. He explained that there are two types of <br />land application plans (General and Site Specific). He stated <br />that the General Plans set forth site selection criteria and <br />Site Specific plans describe how land application takes place. <br />He reviewed the basic elements of the soil sampling plan and <br />collection requirements & background sample for metals, and in <br />the pre-application they sample for nutrients & post-harvest <br />sampling when required. He outlined the determining application <br />rates: soil types, soil nitrogen levels, crop type, crop yields, <br />biosolids type, biosolids nitrogen content and reference <br />extension bulletins & scientific publications and or experience. <br />He reviewed a slide outlining the total metals vs. toxicity <br />characteristic leaching procedure (TCLP) and concentration of <br />pollutants in biosolids and soil <br /> <br />The Board asked Staff questions and requested clarification of <br />some of the biosolids processing & regulations. <br /> <br />The meeting was adjourned at 3:43 p.m. <br /> <br />KITTITAS COUNTY COMMISSIONERS <br />DEPUTY CLERK OF THE BOARD KITTITAS COUNTY, WASHINGTON <br /> <br /> <br /> <br /> <br />Mandy Buchholz Obie O’Brien, Chairman