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• empty. The water flowed into the bailer slowly 'so a sample of the water from the bottom of the <br />well was obtained. It was not possible to purge wells H-10 and B-6 because they were connected <br />to the flooded mine workings. Until 2009, H-10 well had recently been dry resulting in no <br />samples being obtained. Because of mine development activities, during 2004, B-6 was sealed. <br />Typically, water samples from groundwater wells are obtained with a bailer after the wells have <br />been bailed to remove the equivalent of at least one volume of water from the wells. Because of <br />regional drought conditions a number of wells have experienced lowered water levels and <br />reduced inflows. In such cases, water levels may often be obtained but water samples are not <br />available. Often, limited volumes of water are obtained with the bailer and some samples contain <br />sediment stirred from the bottom of the well. <br />SGS (formerly Commercial Testing & Engineering Co.) of Denver, Colorado, completed the <br />analyses of the water samples. These analyses are summarized on the tables and graphs found in <br />this report. The original copies of the laboratory analytical results are stored in the OMLLC <br />offices and inspected by CDRMS during complete quarterly inspections. Copies of the actual <br />laboratory reports are available upon request. <br />C7 <br />• <br />3