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MID-CONTINENT RESOURCES, INC. <br /> PRODUCERS OF THE FAMOUS COAL BAST J COKING COAL <br /> BOX 158 <br /> CARBONDALE, COLORADO 81623 <br /> MID-CONTINENT RESOURCES,INC TELEPHONE <br /> 625 PLAINFIELD ROAD-SUITE 220 (303)963-2581 <br /> WILLOWBROOK, ILLINOIS 60521 July 15, 1986 TWX <br /> 910 929 6894 <br /> TLX <br /> 45-0724 <br /> Ms . Candace Thompson <br /> MIned Land Reclamation <br /> 423 Centennial Bldg. <br /> 1313 Sherman St . <br /> Denver, Colorado 80203 <br /> Re: T. R. for Change in Water Qua '_ity Analysis <br /> Dear Candace, <br /> Enclosed is a proposed list of parameters for the <br /> analysis of surface water and ground water . <br /> Field : Flow or water surface level <br /> Temperature <br /> pH <br /> Conductivity <br /> Lab: Bicarbonate <br /> Sulfate <br /> Sodium <br /> Calcium <br /> Chloride <br /> Magnesium <br /> SAR <br /> FRON <br /> TDS <br /> * TSS <br /> * Surface water only <br /> In the list you sent for me to review, barium was listed <br /> as a possible parameter to include for analysis. I feel that <br /> past results show the barium levels to be below the stream <br /> standards in all samples and would therefore suggest deleting <br /> it from the list . <br /> We have been sampling on a quarterly basis in January, <br /> April, July and October . Upon review of the quantity and <br /> quality data I would suggest that starting in 1986 we sample <br /> in June (peak flow samples taken May 28 , 29, 30) ; (August <br /> recession) ; and in October (low flow) . After one yearly <br />