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<br /> <br />Mr. Gary Wendt - 2 - July 25, 1985 <br />Tnird, calcium caruonate analysis should be done on ali samples. The presence <br />or absence of ettervescence of a soil under field conditions is necessarily a <br />somewnat suojective determination. Tneretore, the laboratory analysis would <br />provide amore objective determination of calcium caruonate amount. <br />Finally, the suitability level for EC snould pe set at 12 mmhos/cm. Tnis is <br />the tnresnold level for the iJucla, iJucla East, and Seneca II (dines. The <br />tnresnold level for Seneca IIW is unclear (Taple 9-2, page 9-4-14) since there <br />is no cutotf number under the "unusable" column. <br />If you have any questions on tnese points, please contact me. <br />Sincerely, <br />~~ <br />~~ <br />Carl B. Mount <br />Reclamation Specialist <br />C8M/yjp <br />cc: James Lunan, Peabody Coai Company <br />8328E <br />