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M\-1~7,'I L•;KI/1L Biosolids Characteristics <br />/~!rhkl~nlicl, Source: CLIB 5/15/2007 through 9/7/2007 <br />Sample ID Avg. of 6 Min. of Max. of all DEWATERED DEWATERED DEWATERED <br />Report Date most all in in 9/7/2007 9/7/2007 5/15/2007 <br />Date Sampled recent selected selected 8!28/2007 8/28!2007 5!8/2007 <br />Lab ID non-null range range 1335144 1335143 1294315 <br />Date Received records: <br />p H 7.52 7.17 7.84 7.72 7.84 7.72 <br />Solids (%) 23.35 % 18.31 % 28.83 % 26.71 % 28.83% 18.31% <br />Volatile (% dw) 64.22 % 58.94% 73.42°/ 73.42 % 60.49% 64.03 <br />Primary Nutr. (% dw) <br />Total Kjeldehl N 2.87 % 0.65 % 4.69 % 0.65 % 2.74 % 4.69% <br />Organic N 2.25 % 0.29°/ 3.82 % 0.29°/ 2.50 % 3.82% <br />Ammonia N 0.62 % 0.24 % 1.00% 0.37 % 0.24% 0.86% <br />Total Phosphorus (P) 3.94 % 1.32 % 6.05% 6.05 % 1.32% 4.62% <br />Potassium (K) 0.31 % 0.18 % 0.48% 0.48 % 0.21 % 0.36% <br />Other Nutr. (% dw) <br />Magnesium (Mg) 0.30 % 0.17 % 0.46 % 0.46% 0.17% 0.35% <br />Calcium (Ca) 1.51% 0.68 % 2.26% 2.26% 0.68% 1.86 <br />Sodium (Na) 0.14 % 0.11 % 0.21 % 0.21% 0.13 % 0.11% <br />Iron (Fe) 0.77 % 0.54 % 1.22% 1.22 % 0.54% 0.76 % <br />Aluminum (AI) <br />Reg'd Metals (mglkg) <br />Manganese (Mn) 434.50 275.00 606.00 606 483 275 <br />Arsenic (AS) 2.54 1.76 3.45 2.42 1.76 3.45 <br />Cadmium (Cd) 7.70 3.40 13.60 13.6 ND 3.4 <br />Chromium (Cr) 17.65 10.70 29.80 29.8 10.7 17 <br />Copper (Cu) 471.95 164.80 785.60 785.6 164.8 492.6 <br />Lead (Pb) 51.45 51.30 51.60 51.3 ND ND <br />Mercury (Hg) 0.59 0.33 0.83 0.33 0.58 0.62 <br />Molybdenum (Mo) 19.77 11.20 26.40 20.6 26.4 20.9 <br />Nickel (Ni) 11.72 6.20 14.80 14.8 6.2 14.7 <br />Selenium (Se) 3.77 2.38 5.16 3.01 2.38 5.16 <br />Zinc (Zn) 1031.48 306.50 2027.30 2027.3 306.5 839.7 <br />`Where ND appears as the reported value, a hard copy of the original analytical report is available upon request or may be viewed at the PAS offices in Limon, CO. <br />Created for Parker Ag Services Saturday, February 09, 2008 Page 1 of 2 <br />