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LO �'9 KLEINFELDER <br /> completion of drilling, the test hole was presoaked with at least 12 inches of water. These <br /> percolation tests were performed under overcast skies on May 19, 2005 in the same manner as <br /> described above. Details of each test can be found on the attached percolation test sheets. <br /> Depth of Test Percolation Rate <br /> Lot Number Date of Test Hole feet minute/inch <br /> ...... ..:. <br /> 1 May 12, 2005 3.1 27.8 <br /> 18.2 1.1 6✓ <br /> 2 May 11, 2005 3.4 Did Not Percolate <br /> May 19, 2005 13.0 2.5 v <br /> May 11, 2005 3.3 125. d <br /> L, 3 5.9 125.0 <br /> May 19, 2005 14.7 6.6 d <br /> 4 May 11, 2005 3.3 Did Not Percolate <br /> �- 9.4 13.9 <br /> 5 May 12, 2005 3.3 41.7 <br /> 7.5 250.0 <br /> 6 May 12, 2005 3.2 50.0 <br /> 6.7 14.7 v <br /> 7 May 12, 2005 3.1 22.7 </ <br /> 7.7 41.7 ✓ <br /> F 8 May 12, 2005 3.2 250.0 ✓ <br /> 17.9 1.2 s� <br /> 9 May 12, 2005 3.4 Did Not Percolate,-' <br /> 14.9 1.3 <br /> l0A May 11, 2005 3.4 62.5 ✓ <br /> I OB May 19, 2005 11.1 1.5 <br /> ►.. <br /> IIA May 11, 2005 3.2 Did Not Percolate <br /> 8.8 250.0 <br /> � <br /> 1113 9.6 4.7 May 19, 2005 9.613.4 4.8 <br /> V <br /> 12 May 11, 2005 3.4 125. <br /> 8.6 27.8 <br /> 13 May 11, 20053 10 46 <br /> 17 <br /> 7. NITRATE LOADING CALCULATIONS <br /> LW Per SJCEHD requirements, the following summarizes our nitrate loading calculations for the <br /> proposed leach fields. The state drinking water standard for nitrate is 45 milligrams per liter <br /> (NO3) and 10 mg/1 as Nitrogen (N) in groundwater. In our evaluation of nitrate loading, we <br /> 55208.GO1/ST05R644 .lune 1,2005 <br /> ©2005 Kleinfelder,Inc. Page 5 of 9 <br />