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<br /> CHEMICAL ANALYSES, SLICK ROCK AREAta) <br /> US-l US-2 US-3 US-4 US-5 US-6 <br /> Dolores R. below Dolores R. just Dolores R. 1/4 mi. <br /> Dolores R. above Burro Mine above below Slick Rock Burro Mine Slick Rock above mouth of San <br /> Cycle Slick Roc.k Slick Rock 1'1ant Plant effluent plant seepage Miguel River <br />pH I 7.6 7.9 7.7 8.4 7.6 8.0 <br /> II 7.8 7.6 7.6 8.7 7.5 7.5 <br />Total a1k. I 120 110 110 500 350 140 <br />as CaC03 II 110 100 100 540 390 110 <br />Total I 780 800 2200 75 4660 2360 <br />hardness(b) II 760 1960 47 4670 1270 <br /> I 440 330 460 720 15400 <br />Na II 490 360 400 660 350 5800 <br />C1 I 370 160 84 72 140 13400 <br /> II 400 160 93 68 180 5100 <br />S04 I 680 920 2750 740 3950 1230 <br /> II 890 970 3160 710 3950 740 <br />Mn I <0.15 0.15 22 0.18 <br /> II 0.20 0.20 0.50 0.20 23 0.14 <br /> I 0.08 0.10 0.08 0.38 0.40 0.08 t-' <br />Fe 0.08 0.07 0.28 0.40 0.06 0 <br /> II 0.08 <br /> I <0.01 0.01 <0.01 0.18 <0.01 <0.01 <br />As II <0.01 <0.01 <0.01 0.16 <0.01 <0.01 <br /> I <0.001 <0.001 0.008 0.070 0.080 0.004 <br />Se II 0.004 0.005 0.005 0.020 0.060 0.003 <br />V I <0.005 0.035 0.10 0.74 0.12 0.010 <br /> II 0.006 0.070 0.070 0.35 0.020 <br /> I 0.008 0.007 0.007 0.035 L2 0.009 <br />Cu II 0.015 0.008 0.017 0.015 7.4 0.010 <br /> I 0.49 0.62 0.78 0.70 L1 <br />F II 0.41 0.53 0.71 2.3 L4 0.76 <br /> I 0.16 0.12 L4 4.4 8.9 <br />N03 as N II 0.12 0.12 3.6 5.6 13. 0.4 <br />Total dis- I 2240 5350 1940 <br />solved solids II <br />(a) All ana1ys€s except pH in mg/1 <br />(b) As 'CaC03 <br />