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•~ <br /> TABLE 11 <br /> CYPRUS YAMPA VALLEY COAL CORP <br /> SUMMARY OF HATER QUALITY DATA <br /> STATION NUMBER: 08AV2 •-- 008-AV-2 <br /> Average Std Maximus Ni ni mum Units Count Period <br />PHYSICAL PROPERTIES <br />TEMPERATURE FIELD 10.167 5.0 18.000 3.000 DEGREES C 12 10/92 - 09/93 <br />CONDUCTIVITY FIELD 1582.500 222.3 18D0.000 1020.000 UMHOS/CM 12 10/92 - 09/93 <br /> LAB 1642.500 127.6 1800.000 1490.000 UMHOS/CM 4 12/92 - 08/93 <br />PH FIELD 7.608 0.4 8.300 7.100 PH 12 10/92 - 09/93 <br />ALKALINITY TOTAL 310.000 20.8 328.000 280.000 MG/L 4 12/92 - 08/93 <br />HARDNESS TOTAL 844.750 53.3 920.000 806.000 MG/L 4 12/92 - 08/93 <br />SOLIDS DISSOLVED 1319.500 51.5 1368.000 1274.000 MG/L 4 12/92 - 08193 <br />OI LBGREASE VISIBLE NOT APPLICABLE 2.000 0.0 2.000 2.000 UNDEFINED 12 10/92 - 09/93 <br />CATIONS <br />CALCIUM DISSOLVED 202.250 13.9 222-000 192.000 MG/L 4 12/92 - 08/93 <br />MAGNESIUM DISSOLVED 82.750 4.5 89.000 79.000 MG/L 4 12/92 08/93 <br />SOD IUN DISSOLVED 85.750 3.4 90.000 83.000 MG/L 4 12/92 - 08/93 <br />ANIONS <br />BICARBONATE AS HC03 365.000 46.7 400.000 312.000 MG/L 3 03/93 - 08/93 <br />CARBONATE AS L03 4.667 8.1 14.000 0.000 MG/l 3 03/93 - 08/93 <br />SULFATE NOT APPLICABLE 724.000 47.3 770.000 659.000 MG/L 4 12192 - 08/93 <br />PRIMARY <br />CADMIUM DISSOLVED -0.100 0-0 -0.100 -0.100 UG/L 4 12/92 - 08/93 <br />LEAD DISSOLVED -20.000 0.0 -20.000 -20.000 UG/L 4 12/92 - 08/93 <br />MERCURY DISSOLVED -0.125 0.1 -0.100 -0.200 UG/L 4 12/92 08/93 <br />SELENIUM DISSOLVED -1.000 0.0 -1.000 -1.000 UG/L 4 12/92 - 08/93 <br />Report Date: 01-JUN-94 Page: 1 of 2 <br />Report Name: NOA020R <br />