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CHIMI`'EY ROCK COAL <br />HYDROLOGIC Ii;VESTIGATIOtdS <br />Field Data <br />Station: W-1 Alluvial Well E-2 <br />Month: O1 02 03 04 OS 06 07 OB 09 10 11 12 Average <br />ph 7.1 7.1 7.0 7.2 7.1 7.1 7.1 7.0 7.2 X X X 7.1 <br />Alkalinity 308 308 376 257 222 256 340 223 273 ?; }; X 284.7 <br />(mg/1) <br />Conductivity 900 900 1000 975 1000 1075 880 ]000 1000 X X X 970 <br />(uohms/cm) <br />Temperature 10 10 9.5 9 9 8 10 14 16 }: X X 10.6 <br />(o C) <br />Water Depth 2.16 .67 .58 .5 1.75 1.89 2.02 2.08 .83 X X X 1.88 <br />(Ft.) <br />Station W-2 Shop Well <br />Month: O1 02 03 04 OS 06 07 08 09 10 11 12 Avera e <br />ph 6.3 l/ 7.1 7.4 7.4 7.5 7.5 7.4 7.6 7.8 7.5 7.4 7.35 <br />Alkalinity 445 l/ 428 393 392 359 445 410 376 445 410 427 411.8 <br />(mg/1) <br />Conductivity 680 11 765 700 700 675 575 650 600 655 700 650 668.18 <br />(uohms/cm) <br />Temperature 12 11 12 11 12 12 14 14 15 14 12 13 11.90 <br />(°C) <br />Water Depth 57.75 l/ 52.83 52.3 <br />(Ft.) <br />(i - Equipment Problems <br />* - Depth unknown/pump in well <br />% - Dry <br />