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<br />TABLE 5. CHEMICAL COMPOSITION, VIRGIN RIVER SURFACE WATERS <br /> VIRGIN VALLEY SUBEVALUATION UNIT. ARIZONA, NEVADA, UTAH <br /> ConstitllOnt <br /> Specific <br /> Location + + ++ ++ - HCO; SO-2 .2 Conduct. <br /> Date Na + K Ca Mg Cl N03 TDS anc! SAR <br /> 4 Xl~ at <br /> lConcentrat1on '" mg/l or ppn) 'If r. <br />Me.quite Canal 1/ 09/28177 93 16 402 50 120 209 1086 26 2001 2470 1.2 <br /> 11/06179 301 27 276 98 398 287 902 25 2314 3130 4.0 <br />BunkerYil1. 01vi.10n 1/ 09/28/77 90 15 368 51 118 216 1009 24 1890 2330 1.2 <br />Surfaca S"o Above 1/ <br />Bunkerv111. Bridge 11/06/79 465 39 380 167 5B6 342 1430 25 3424 4400 4.9 <br />Riverside 8rid9. 1/ 09/28/77 111 16 268 50 146 251 739 19 1600 2040 1.6 <br />F1ve MHos O.....tre.. of 1/ 09/28/77 104 16 216 45 136 245 621 27 1410 1740 1.7 <br />Ri""rsid. 8ridg. 11/06/79 331 27 290 110 458 250 984 20 2470 3450 4.2 <br />B....r 0.. Wash Y 05129/32 47 74 22 27 288 102 484 1.2 <br />Ntar Mouth 04122/50 24 72 24 20 258 85 394 621 0.6 <br /> 09/30/55 37 80 20 26 27. 93 3 420 667 1.0 <br /> 11 /1 5/67 38 109 440 700 <br />Virgin River at Y 04/13/68 175 16 196 61 282 290 a52 2 1340 1980 2.8 <br />Llttlefiald Gage 09/20/66 293 31 409 117 403 374 1270 2730 3560 3.3 <br />SOURCE: 1/ U.S. Salinity Laboratory <br /> y State of Nevada. Water Resources-Reconnaissance Report No. 51 <br /> <br />TABLE 6. CHEMICAL COMPOSITION, GROUND WATER AT USBR PROPOSED BARRIER SITE <br /> VIRGIN VALLEY SUBEVALUATION UNIT, ARIZONA, NEVADA, UTAH <br /> Const1tINnt <br /> Specific <br /> Location + + ++ ++ NCO; 50-2 NO.2 Conduct... <br /> Oate N' + K C. Mg Cl TDS anc! SAR <br /> 4 3 X'~ at <br /> {Concentrat1on 1" mg/I or ppm) 'iii r. <br /> 104 06/21179 534 31 498 205 914 229 1780 4200 5300 5,1 <br /> 104 08/23/79 529 31 166 189 877 263 1710 4140 5230 5.2 <br /> 104 09/18/79 518 31 494 189 829 250 1700 4010 5050 5.0 <br /> 101 07/19/79 1070 41 .541 344 1740 391 2230 .6 6420 8350 8.9 <br /> 101 08/1 0/79 1250 47 644 410 2200 217 2760 ,03 7510 9410 9,4 <br /> 101 09/18/79 683 36 394 206 1040 297 1710 4430 5820 6,9 <br /> 094 08/10/79 706 48 572 220 1080 323 2040 2 4920 6100 6,4 <br /> 103 07119/79 360 22 371 120 516 218 1230 .3 2840 3740 4,2 <br />NOTE: Representativl supT,s shown Abov.. USSR Boulder Cfty, Nevada evaluated water sa.phs in 1979 at then locations at <br /> various depths. 5H F1gun 6 for well locations. The lDIen vaJue of 51 samples is 395211I9/1 TOS. <br /> 0002',0 <br /> 13 <br />