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<br /> <br /> <br />TableI-5. Non-toxic fill or subsoil evaluation. <br />.~ <br />N <br />Waste Samp ed Limiting Severity Depth of RANGE OF VALUES <br />Area Hole Factor Of Limitationsa Occurrence SAR EC <br /> <br />1 R-1 EC MS 7-17 2.3- 4.7 6.6-13.2 <br />2 R-2 Clay U 10-15 5.0- 6.8 6.0- 8.7 <br />3 R-3 SAR MS - 10.5-11.1 4.4- 6.1 <br />4 R-4 SAR MS - 1.7-11.3 2.2- 6.5 <br />5 R-5 None - - 1.0- 3.1 2.8- 4.3 <br />6 R-6 Noneb - - 4.7-12.0 3.5- 6.0 <br />7,8,9 R-9A Clay U 12-17 2.3-17.1 3.6-14.4 <br /> SAR U 7-12 <br /> SAR MS 2- 7 <br /> 12-17 <br /> EC MS 7-17 <br />a MS = marginally suitable, U = unsuitable. <br />b SAR value of 12.0 occurs in 0-2 foot sample which is topsoil. <br />