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PAGE 1 <br /> TABLE 15 <br /> SUMMARY OF WATER QUALITY DATA <br /> FOIDEL CREEK DOWNSTREAM. USGS SITE 09243900 (900) <br /> PARAMETER MEAN STD. DEV. MAX. MIN. UNITS. NO. PERIOD <br /> PHYSICAL PROPERTIES <br /> TEMPERATURE FIELD 10.405 7.042 25.000 0.000 DEGREES C 66 10/83- 9/89 <br /> CONDUCTIVITY FIELD 1758.914 739.884 3500.000 400.000 UMHOS/CM 117 9/75- 9/89 <br /> CONDUCTIVITY LAB 2346.538 502.958 3040.000 1200.000 UMHOS/CM 13 12/85- 9/89 <br /> PH FIELD 8.072 0.383 9.300 7.200 PH 103 9/75- 9/89 <br /> PH LAB 416.771 1000.973 2460.000 8.000 PH 6 3/86-10/87 <br /> ALKALINITY TOTAL 227.533 67.249 415.000 74.000 MG/L 60 4/76- 9109 <br /> HARDNESS TOTAL 909.684 447.494 1979.OD0 178.000 MG/L 73 4/76- 9/89 <br /> HARDNESS NON-CARBON 913.333 615.819 1600.000 410.000 MG/L 3 12/85- 3/86 <br /> SOLIDS DISSOLVED 2120.769 434.379 2676.OD0 1100.000 MG/L 13 11/86- 9/89 <br /> SOLIDS SUSPENDED 213.611 334.634 1510.000 3.000 MG/L 36 10/83- 7/89 <br /> OILBGREASE VISI 2.000 O.D00 2.000 2.000 4 4/89- 9/89 <br /> SAR 1 .096 0.377 1 .916 0.211 40 4/79- 7/89 <br /> CATIONS <br /> CALCIUM DISSOLVED 184.739 84.299 430.000 45.000 MG/L 73 4/76- 9/89 <br /> MAGNESIUM DISSOLVED 107.135 60.172 256.000 16.000 MG/L 74 4/76- 9/89 <br /> SODIUM DISSOLVED 87.095 37. 173 180.000 35.000 MG/L 40 4/79- 9/89 <br /> POTASSIUM DISSOLVED 4.779 1 .559 8.300 1.200 MG/L 84 4/76- 7/88 <br /> ANIONS <br /> BICARBONATE AS HCO3 276.592 80.569 506.000 106.000 MG/L 27 4/76- 9/89. <br /> CHLORIDE 14.253 7. 108 31 .000 5.400 MG/L 66 4/76- 7/88 <br /> SULFATE 805.902 491.165 2000.000 100.000 MG/L 72 4/76- P/89 <br /> U = MICRO <br />