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~:;.' <br />TABLE 3. Concentrations of Selected Parametersl for Maters Collected From Cotter <br />Well N4 (gite 303) and Ralston Creek at the Cotter Property Line (Site 301). <br />All Valves are in ug/1 Soluble Phase Unless Otherwise Indicated. <br />Parameter Sampling 31te <br /> 303 301 303 301 303 301 303 301 303 ~ 301 <br />_ Date Sept 1983 Dec 1983 Feb 1984 May 1984 Aug 1984 <br /> • <br />Conductivity (uMHOs) 400 190 352 182 375 184 372 79 370 176 <br /> 7~ <br />pH 7.1 7.9 6.9 7.7 6.5 7.5 6.9 7.T 6.7 8.1 ~ <br />Sulfate (as S04) 66 13 63 17 51 19 98 15 70 13 Q <br /> <br /> <br /> Q <br />Boron 85 10 40 <10 200 200 60 <10 50 37 R° <br />ro <br />r <br />~ <br />Copper 6 1 3 <1 2 <1 10 3 7 3 C <br />/~ <br /> <br />Lead _ 1 6 5 2 <2 3 <2 4 <4 Q <br />Radium - 226 (pCi/1) .85 ' ,11 1.1 ,07 1.2 0 ,63 - .67 <.5 a <br /> a <br /> ~ <br />Uranium 12 2.2 7.4 2,2 4.8 1.2 8.9 1.2 9.9 1.9 • <br />1 Concentrations of As, Ba, Cd, Ni, Ag, Se, Ra-228 and Hg were also measured on <br />each date/location. All were consistently present at concentrations be lox the <br />•_y a°_~ dca__a• la-aa <br />uiao>_,y~a..oi ~c..~avia awi~. <br />