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<br />CDS Laboratories <br />1474 Main Avenue /1131 <br />Durango CO 81301 <br /> <br /> <br />To: Pueblo Coal <br />25825 West Highway 160 <br />Durango, CO 81301 <br />Date: 12/22/82 <br />CDS Sample 0 <br />Field Spring 111 - below Spring Mine <br />Conductivity at 3.5oC 330 umhos/cm <br />pH 7.45 units <br />Flow 2-3 GPM <br />Field Spring 113 - REA Canyon <br />Conductivity at 4.5°C <br />pH <br />Flow approximately <br />Field Spring ll4 - Carbon Canyon <br />Conductivity at 2°C <br />pH <br />Flow approximately <br />1825 umhos/cm <br />7.25 units <br />1 GPM <br />1100 umhos/cm <br />7.5 units <br />5 GPM <br />ay: <br />Dr. Joe Bowden PhD Director <br />