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<br />SAR has generally been below one for well GF1 and above 30 at <br />wells GF2 and GF3, respectively. These values are thought to be <br />representative of natural conditions in the aquifer. Recent'SAR <br />values for well GF3 from are significantly higher than past <br />values. The SAR values for GF2 and GF3 could create a problem for <br />irrigation on tight soils. Water from well GF4 and GF5 also <br />contains high SAR values. The SAR value for water from well GF6 <br />has varied from 0.34 to 6.2. Backfill well GF7 has exhibited SAR <br />values between 7 and 23. The limited data from backfill well GF11 <br />indicates a low value at less than one. <br />SAR values for wells GP1 and GP2 are approximately 11 and 5 on <br />the average. SAR values for well GP3 are less than 2, while values <br />• from well GP4 have shown a very wide range from 32 to 177. <br />Well GP5 has had SAR values from 22 to 74. SAR values for <br />well GP6 have shown some variance, with values at or below 26. The <br />SAR values from well GP7 are low while the values from well GP8 <br />have varied from 7.5 to 29. The average SAR from well GP9 is <br />approximately three. <br />The SAR value from the Pyeatt wells has generally been <br />between 1 and 3. The SAR values from alluvial wells J1 and COY <br />have been approximately 1 and 2, respectively. <br />A value of 6.3 was measured for the SAR from well GLUX-1 <br />water. Water from well 81-03a has contained SAR values of near <br />200 . ' <br /> <br />3-13 <br />