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1 <br /> water quality testing was performed by the Colorado Yampa Coal Company <br /> laboratory. Two sites are monitored for flow by the US Geologic Survey <br /> (USGS). Until the 1989 Water Year the USGS also collected and analyzed the <br /> water samples for the two sites. Beginning in the 1989 Water Year Cyprus <br /> collected the samples and ACZ laboratories analyzed the samples. Unless <br /> ' otherwise indicated all references to "1989" in this report to refer to <br /> Water Year 1989. <br /> 1 <br /> 1 <br /> 1 <br /> - 2 - <br />