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KSM <br />KELLER, SCHLEICHER & Mac WILLIAM ENGINEERING AND TESTING, INC. <br />RO. BOX 78-1377, SEBASTIAN, FL 32978-1377 SEBASTIAN (561)589-071'2 <br />MELBOURNE (407) 768-8468 <br />FAX (561) 589.5469 <br />LABORATORYRERMUMILITY — CONSTANT HEAD bMTHOD <br />(ASTM 2434) <br />DATE OF TEST: June 13, 1998 PROJECT NO. KSM 981277-Ph2 <br />CLIENT Indian River County <br />LOCATION Shooting Range <br />Indian River County, Florida <br />Ph -2, @ goring 11 <br />SAMPLE DESCRIPTION - Gray Sand <br />DEPTH @ SAMPLE LOCATION = 24 INCHES <br />LENGTH OF SAMPLE ALONG PATH OF FLOW = 6 INCHES <br />DIAMETER OF SAMPLE = 3 INCHES <br />QUANTITY OF FLOW - 375 MILLITERS <br />TIME INTERVAL OF TEST 10 MINUTES <br />DIFFERENCE IN HYDRAULIC HEAD ACROSS THE SAMPLE 16 INCHES <br />THE RESULTS OB'T'AINED FROM OUR HORIZONTAL LABORAT')RY PERMEABILITY <br />TEST, WHERE K IS THE COEFFICIENT OF PERMEABILITY = 14.6 FEET/DAY <br />61 <br />