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<br />TABLE 11 <br />CYPRUS YAMPA VALLEY COAL CORPORATION: MRtEJ <br />1997 ANNUAL HIDROLOGY REPORT <br />WATER QUALITY DATA <br />SITE: 76 <br />F..f,HA;:;:;;::'i`:':y.'y',:': <br />.plll~'1'eR:::::':%:'.;'; .::::'.:::;.::.~:';':::.`:;:;.:::.`; <br />'::~:::::.;::<';'<~:.:::,',::.::':i:: ;'~`.'s':: `::::;:::.;::' <br />;:::;:.'(:;%:;::::`': OCT NOV DEC JAN FER MAR <br />28-Mar97 n <br />2-A -97 APR <br />26- r-97 MAY <br />2-M -97 JUN <br />6JUn97 JUL <br />3Ju1-97 <br />t-A -97 AUC <br />7-AU -97 SEP <br />4S 7 <br />Flow Rme c6 01571 O.I671 1.0996 0.9425 05498 00837 0.3080 0.609 00037 <br />TEMPERATURE FIELD DEGREESC 5 6 12 6 24 19 23 21 20 <br />CONDUCTIVItt FIELD UMHOS/CM 2400 1750 1700 2570 2460 3260 3050 3t20 3170 <br />PH FIELD PH 7.1 6.B 7.7 7.5 6.2 7.5 62 7.6 7.2 <br />{? 4:;;: `':;': ~::: ~: :: '?':;; .: "s. r::;: ~:: i::: r: <::: ~:;:::: ~: t::;':: is <br />~ ~ ~ ~ :: :;: s':': ::: ;:;; r:': <br />CONDUCTIVITY LAB UMHOS/CM 2630 2510 1770 <br />PH LAB PH 7.6 7.2 7.5 7.9 <br />SOLIDS DISSOLVED MG/L 2690 2620 1750 2210 <br />HARDNESS TOTAL MG/L 2060 1990 1340 1470 <br />SOLIDS SETTLEABLE ML/L -0 7 -0.1 -0.7 -0.1 -0.1 -0 1 -0.7 -0.1 -0.1 <br />CALCIUM DISSOLVED MG/L 411 473 266 320 <br />MAGNESIUM DISSOLVED MGA. 252 233 752 164 <br />I.~EN~ENVIRONMENTpIMHRVA3W HR9i.XLa <br />