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Page 9 <br />the dominant anion. The spoils well's quality is consistent with the <br />baseline data and predictions for spoils water quality. <br />Trace Elements (p, A1, As, Mn, H~, Se, Zn, Fe) <br />Arsenic, mercury, and selenium were all either very close to or belocr <br />detection limits in all of the samples at all sites. Such results are like <br />n <br />the baseline results and previous years results ~ [ ron, manganese, and zinc <br />concentrations ten3 to increase with increasing flow which is the opposite <br />of the trend for TDS. rJsually this trend is caused by an increase in <br />suspend e3 rather than dissolved material, but since both the dissolved iron <br />concentrations in the streams and concentrations of all the constituents in <br />the wells increase with increasing flow, it is likely that in this case the <br />rlrw nv you }~„o~~ <br />increase is an actual increase in dissolved materia l Hoth phosphorous and ~•'~' '~ <br />,,o ~I~~W <br />aluminum shoo-r dramatic increases during snowmelt runoff in Trout Creek and ~ ~L ~ <br />stable or decreasing concentrations in the alluvial arells indicating an ~• \"~ <br />increase in suspended material. The spoils ~.rell first sample had a very <br />high total iron concentration which decreased in the second sample. It is <br />possible that the first sample was affected by well drilling and <br />development and the second sample is more representative of the long term <br />quality. <br />.eneral Characteristics (pH, EC, Temn, D~) <br />The pH followed past trends showing alkaline conditions in Trout <br />Creek, Oak Creek, alluvial wells, and NP>1ES discharge. Electrical <br />