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Sulfur Forms. The sulfur forms correspond with the results found <br />as a result of testing the coal seams. Because of the low values <br />of sulfur, no problems are anticipated with respect to acidity as <br />a result of sulfur concentrations. Likewise, the pH values are <br />high enough so that no problems are anticipated in relation to <br />sulfur concentrations. <br />• <br />• 2.04-28 <br />Revised June 29, 1990 <br />