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TABLE OF CONTENTS <br />IContinuedl <br />i <br />Rule page <br />Fluorine 7 g <br />Chloride 1 6 <br />Total Combustible Solids 16 <br />Chromium 1 6 <br />Sampling Procedures 17 <br />Analytical Procedures 17 <br />Overburden Characteristics 21 <br />Mixing and Mitigation of Unsuitable Overburden <br />Material 33 <br />Quality Control and Duplicate Samples 33 <br />Conclusions 33 <br />2.04.6i211bl1i)IE) Coal Quality 34 <br />Literature Cited 36 <br />LIST OF FIGURES <br />Figure No. Page <br />6-1 Geologic Map of Seneca II-W Mine 2 <br />6-2 Stratigraphic Units Including Coal Beds in and Near the Sites <br />of the Seneca II-W Mine 4 <br />LIST OF TABLES <br />• <br />J <br />Table No. Page <br />6-1 Survey Information for the Nineteen Overburden-Underburden <br /> Core and Bore Holes, Seneca II-W Mine 18 <br />6-2 Parameter, Procedure, and Reference List for Seneca II-W <br /> Overburden Core Analysis by Peabody Central Lab, Freeburg, <br /> Illinois, October 1981 19 <br />6-2A Parameter, Procedure, and Reference List for Seneca IIW <br /> Southern Mine Block Overburden Analysis by InterMountain Lab, <br /> Sheridan, Wyoming, April 1992. 22 <br />fi-3 Criteria for Evaluating Overburden, Underburden, and Regraded <br /> Spoil Suitability, Seneca II-W Mine. <br /> 23 • <br />Revised 9/98 <br />