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TWENTYMILE COAL COMPANY <br />PERIOD OF RECORD WATER QUALITY DATA <br />SITE: SW-Id (FISH CREEK SURFACE SITE) DATUM- 6550.39 <br />CATEGORY <br />PARA3/ETF,R ANALYSIS TYPE UNITS ~ AUG JUN <br />OCT <br />NOV <br />1AR NAY ~ JUL AUG AUG SEP NOV FE8 APR MAY JUN AUC <br />_„ <br />_ <br />FIELD PARAMETERS -DATE ~ 8/23/2001 T <br />~ <br />_ <br />10/16/2001~NWppRNNN )/512002 5/15/02 6/12/02 ]//02 ]ll6/02 8112/02 82]/02 i 9/26/02 Illll/02 2/6/03 4115/03 5/Ib01 6/3/OJ 9/5/03 <br />\ATER ELEI ATIO! FTABO\EM L. 65493 654 55491 659 654 5649,i9 fifi49.19', -~ 6649.01 6644]9 6645.49 6641.19 <br />(WATER LEVCL ~ FT 2 112 118 ICE 199. 18 2t 22i DRY ORY ' ~DRY 138 ICE 5.6 4.9 4l <br />SURFACE FLOW FLOW ' FIELD CFS 101 13> 22 '• 19 101 _ <br />02] DRS DRV DRY 1 10 0.1 <br />pYSICAL PROPERTIES TEMPERATURE 2 FIELD DEGREESC ~ 55'. 6y'. ]4 12 226 <br />-~ 23 ~ _ 6.8. <br />' 5] ],] ]] <br />~i CONDUCfIViTY FIELD DMHG$1GM '~ 955 10]9'. IJ59' <br />1)40 1020- 1191 1090 <br />~ 1190 <br />1 <br />- 481 <br />- <br />- 5]0 860 <br /> rLAD 92] <br />UMHOSCM A ~ j 1900 : <br />~ 520 800 <br />{ _ __ <br />' _ <br />_ _ <br />!PH ( FIELD PII ~ 825 8291 1 8.48 <br />1 813, 8.41 <br />~ <br />-~_- 836 <br />~ <br />- <br />~- 944 815 <br />- 9J5 <br />-~ )96 <br />I LAB PH 85] I 859' <br />I ~ ~ B.OJ 8.46 <br />~ _ 1SOLIDS TOTAL-DISS MG/L ' 650 ' ' - ~- 960', <br />-~ <br />- ~ 350 SJO <br />(CATIONS (CALCIUM <br />.MAGNESIUM '' DISSOLVED <br />DISSOLVED MG/L 1 93.5 <br />MG/L 1 354 ~ 9.811 <br />1 1 <br />3] '--~ L--- <br />~_ 43 <br />22 6J <br />O9 <br />',SODIUM DISSOLVED MG/L I 542 ~ ' IS i <br />^~ ~ 12 41 <br />ANIONS -BICARBONATE AS HC03 MG/L 350 340', <br />I IBO 280 <br />CARBONATE AS C03 MG/L I _ <br />T <br />_+_ _ _'I____i 1,~.,__~_ _,,,~ ~___ - ~ <1 > <br />I SULFATE "NOT APPLICABLE MGIL 220 ~ ~_ 490'x. <br />I 120 200 <br />I PRILIARY CADMNM DISSOLVED UGIL '^ <5 ~ I <2i <br />~ I, <5 <5 <br />I LEAD DISSOLVED UG/L - 50 <SO _ ~ 60 <50 <br />'.MERCURY DISSOLVED UGC- 02 - j 02 __ ~, <02 <02 <br />'SELENIUM i <br />~ D1550LVED UG4 13 ~- ~ 2. ~ <2 <2 <br />- <br />~SECONDARY IRON - <br />IDI~SOLVED <br />UG/L 10 <br />Y i, 920'/ <br /> <br />- <br />~_ <br />HJ00 <br />1300 <br />MANGANESE DISSOLVED UG/L 5 <br />^ 80 j _ I 160 120 <br />(TRACE METALS 'MOLYBDENUM DISSOLVED 50 <br />UG/L I ~ ~ <50', _ I <50 <50 <br />(NUTRIENTS --,NITROGEN AMMIA F0.EE MG/L <005 " I 005 ~ <005 <005 <br />', ~ NITRATE MC4 X0.05 j 003 <br />~ <br />- __ <br />_ I <002 <002 <br /> Nl <br />TRITE <br /><ooz <br />MG/L ~, _ <br /><ooz <br />~ <br />I '., <br />- - <br />.- <br />- '~ 0.14 0.0J <br />I r <br />__ <br />I <br />O <ooz <br />~ <br />00J ? <br />-- <br />~ <br />-- <br />_ <br />0.14 003 <br />PHOSPHATE YY-- <br />I~RTHO <br />DISS <br /><0.02 <br />MGIL <br /><001 <br />+ <br />~'~. --- 1 - _ <001 <0.01 <br />exceo L~.wo~omv:MCrxelw'~a Da~w.a rc ara.,m.e.0 TABLE 70 <br />