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11/25/2014 State.co.us Executive Branch Mail - Re: Coal Guidelines Method update suggestions Trapper <br />TABLE 5. OVERBURDEN GEOCHEMISTRY - SUGGESTED METHODS OF ANALYSIS * <br />Chemical <br />Parameter Units Methods of Analysis * * <br />• Electrical Conductivity umhos/cm Saturated paste extract units we report at mnihos/cm <br />0 Total Combustible Solids ppm Dry ash; D 3174-73 ) Total Combustible Solids: State table 5 has reporting <br />units of PPM? Method is for ash in coal and coke. Method we use is Total Organic Carbon reported in % and <br />uses a modern LECO finance with dual detectors. A No. 9, 29-2.2.4 cumbustion/I R, UNITS 0.1 % <br />• Textural Analysis <br />0 % sand % Sieve analysis (this would be off hydrometer too, table 5 lists sieve? Unless you are looking for a <br />specific sand traction then sieving is not required. The Hydrometer method reports sand, silt and clay % and texture <br />classification.) <br />0 Nitrate-Nitrite ppm Saturated paste extract Nitrate/Nitrite: State table 5 has reporting units in PPM off of a <br />saturated paste extraction, which is impossible since there is no dilution factor and saturated paste is reported <br />in meq/L. Industry standards and other states such as Wyoming and Utah reference this parameter being run <br />off of an KCL extraction and is what we have reported for the past 30 years. <br />• Sulfur Modem LECO furnaces are used for total sul fur and modified SOBER methods are used for sulfur <br />speciation. The state of NV is the only state certifying for these tests and ACZ holds these certifications. Methods <br />referenced in table need to be updated. <br />• % Pyritic Sulfur % D 2492-79 <br />• % Sulfate Sulfur % D 2492-79 <br />• % Organic Sulfur% D 2492-79 <br />• Total Sulfur ppm D 3177-75 <br />hftps:llmail.google.com/mail/ul0/?ui=2&ik=e29129fcb5&view=pt&search=inbox&th=149877ae87800886&siml=149877ae87800886 2/4 <br />