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r .� r �r r �r a. �. .r r r �r �.. r r. �■�. r r � <br /> PAGE 1 <br /> TABLE 16 <br /> SUMMARY OF WATER QUALITY DATA <br /> 1989 <br /> WELL 259. TWENTYMILE SANDSTONE <br /> PARAMETER MEAN STD. DEV. MAX. MIN. UNITS. NO. PERIOD <br /> PHYSICAL PROPERTIES <br /> TEMPERATURE FIELD 12.250 2.500 16.000 11 .000 DEGREES C 4 3/89-10/89 <br /> CONDUCTIVITY FIELD 179.000 84.675 305.000 122.000 UMHOS/CM 4 3/89-10/89 <br /> CONDUCTIVITY LAB 141.000 0.000 141 .000 141.000 UMHOS/CM 1 6/89 <br /> PH FIELD 6.700 0. 141 6.800 6.500 PH 4 3/89-10/89 <br /> PH LAB 7.200 0.000 7.200 7.200 PH 1 6/89 <br /> ALKALINITY TOTAL 44.000 0.000 44.000 44.000 MG/L 1 6/89 <br /> HARDNESS TOTAL 36.000 0.000 36.000 36.000 MG/L 1 6/89 <br /> SOLIDS DISSOLVED 70.000 0.000 70.000 70.000 MG/L 1 6/89 <br /> SAR 0.937 0.000 0.937 0.937 1 6/89 <br /> CATIONS <br /> CALCIUM DISSOLVED 8.000 0.000 8.000 8.000 MG/L 1 6/89 <br /> MAGNESIUM DISSOLVED 4.000 0.000 4.000 4.000 MG/L 1 6/89 <br /> SODIUM DISSOLVED 13.000 0.000 13.000 13.000 MG/L 1 6/89 <br /> ANIONS <br /> BICARBONATE AS HCO3 54.000 0.000 54.000 54.000 MG/L 1 6/89 <br /> CHLORIDE 6.000 0.000 6.000 6.000 MG/L 1 6/89 <br /> SULFATE 10.000 0.000 10.000 10.000 MG/L 1 6/89 <br /> MINOR <br /> FLUORIDE 0.800 0.000 0.800 0.800 MG/L 1 6/89 <br /> U = MICRO <br />