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CYPRUS YAMPq~LLEY COAL CORPORATION: A71NE NO. 1, 2, AND ECIiMAN PARK • • <br />1999 ANNUAL HYDROLOGIC REPORT <br />SUMMARY OF WATER QUALITY DATA <br />summary of water quality data-Il.brw <br /> Average Std. Maximum Minimum DnItS Count Begin End <br />1 PHYSICAL PROPERTIES TEMPERATURE FIELD 10.309 0.6 11.300 9.500 DEGREES C I I 10/94 09/99 <br />2 CONDUCTIVITY FELD 1129.091 100.5 1280.000 960.000 UMHOS/CM II IO/94 09/99 <br />3 LA6 1060.909 71.1 1160.000 976.000 UMHOS/CM II 10/94 09/99 <br />4 PH FIELD 8.562 0.7 9.300 7.400 PH 10 10/94 09N9 <br />5 FIELD 8.430 0.0 8.430 8.430 UMHOS/CM I 05/99 05/99 <br />6 LAB 9.017 0.6 9.700 8.200 PH 6 05/97 09/99 <br />7 ALKALINITY TOTAL 302.727 38.3 328.W0 192.W0 MG/L II 10/94 09/99 <br />8 HARDNESS AS CAC03 120.455 84.9 291.000 43.000 MG/L II 10/94 09/99 <br />9 SOLIDS TOTAL-DISS 66?.000 54.8 740.000 590.000 MG/L II 10/94 09/99 <br />10 CATIONS CALCIUM DISSOLVED 19.091 18.2 58.100 3.500 MG/L II 10/94 09/99 <br />11 MAGNESIUM DISSOLVED 17.709 10.0 35.400 8.100 MG/L II 10/94 09/99 <br />12 SODIUM DISSOLVED 202.818 32.4 258.000 161.000 MG/L II 10/94 09/99 <br />13 SAR NOT APPLICABLE 9.820 4.3 15.900 4.160 UNDEFINED II 10/94 09/99 <br />I6 ANIONS BICARBONATE AS HC03 ?99.491 73.6 389.000 182.400 MG/L I1 10/94 09/99 <br />IS CARBONATE AS CAC03 17.000 7.1 22.000 12.000 MG/L 2 05/99 09/99 <br />16 AS C03 ?7.644 35.6 99.000 -2.000 MG/L 9 10/94 09/98 <br />17 HYDROXIDE AS OH -2.000 0.0 2.000 -2.000 MG/L 10 05/95 09/99 <br />18 SULFATE NOT APPLICABLE 257.818 41.9 320.000 210.000 MG/L I I 10/94 09/99 <br />19 PRIMARY CADMIUM DISSOLVED -0.445 0.2 0.100 -0.500 UG/L II 10/94 09/99 <br />20 LEAD DISSOLVED -32.727 10.1 ?0.000 -40.000 UG/L II 10/94 09/99 <br />2l MERCURY DISSOLVED -0.155 0.2 0.300 -0.2W UG/L II 10/94 09/99 <br />22 SELENIUM DISSOLVED -1.000 0.0 -1.000 -1.000 UG/L II 10/94 09/99 <br />23 SECONDARY IRON DISSOLVED 192.727 130.9 4;0.000 40.000 UG/L II 10/94 09/99 <br />24 MANGANESE DISSOLVED 14.364 27.7 90.000 -10.000 UG/L II 10/94 09/99 <br />25 TRACE METALS MOLYBDENUM DISSOLVED -10.909 3.0 -10.00(1 -20.000 UG/L II 10/94 09/99 <br />26 NUTRIENTS NITROGEN NITRATE -0.001 0.0 0.040 -0.020 MG/L II 10/94 09/99 <br />27 NITRITE 0.006 0.0 0.030 -0.010 MG/L 10 05/95 09/99 <br />28 N03+N02 0.022 0.0 0.070 -0.020 MG/L II 10/94 09/99 <br />29 PHOSPHATE OR"fH0-DISS 0.025 0.0 0.118 -0.005 MG/L II IU/94 09/99 <br />TABLE 7A SITE: 94M002 (WADGE OVERBURDEN) <br />