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FALLING HEAD PERMEABILITY <br />i• <br />CYPRUS COAL WASTE STOCKPILE <br />• JOB NO. 18,714 <br />~ Sample: Processed Coal Waste <br />~• <br />• <br />• <br />~ • <br />• <br />• <br />• <br /> <br />• <br />Dia. of Standpipe (in.) d= 2.14 <br />Length of Sample (in.) L= 4.65 <br />Dia. of Sample (in.) D= 4.00 <br />Zero Height (in.} h= 28.70 <br />Area of Standpipe (ft ^ 2) = 0.0250 <br />Area of Sam le ft ^ 2 = 0.0873 <br /> <br /> <br />Hei ht in. Time <br /> <br />sec. Permeability for <br />each time increment <br />ft/sec ft/da cm/sec <br />14.0 0.0 <br />14.6 30.0 1.5E-04 13 4.7E-03 <br />15.2 60.0 1.6E-04 14 4.9E-03 <br />15.7 90.0 1.4E-04 12 4.2E-03 <br />16.1 120.0 1.2E-04 10 3.5E-03 <br />16.8 150.0 2.1E-04 18 6.4E-03 <br />17.5 180.0 2.2E-04 19 6.8E-03 <br />18.0 210.0 1.7E-04 15 5.1E-03 <br />18.4 240.0 1.4E-04 12 4.3E-03 <br />18.9 270.0 1.8E-04 16 5.6E-03 <br />19.3 300.0 1.5E-04 13 4.7E-03 <br />19.7 330.0 1.6E-04 14 4.9E-03 <br />20.1 360.0 1.7E-04 15 5.1E-03 <br />20.5 390.0 1.8E-04 15 5.4E-03 <br />20.8 420.0 1.4E-04 12 4.2E-03 <br />21.0 450.0 9.5E-05 8 2.9E-03 <br />21.2 480.0 9.7E-05 8 3.0E-03 <br />21.4 510.0 1.0E-04 9 3.0E-03 <br />21.6 540.0 1.0E-04 9 3.1E-03 <br />21.8 570.0 1.1E-04 9 3.2E-03 <br />21.9 600.0 5.4E-05 5 1.6E-03 <br />TOTAL - 0 to 600 sec 1.4E-04 12 4.3E-03 <br />JOB NO. 18,714 FIG. B-12 <br />