2010-04-16_REPORT - C1982056 (3)

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TABLE 29 TWENTYMILE COAL COMPANY PERIOD OF RECORD WATER QUALITY DATA SITE: AVF13 (WELL AVM-13, FISH CREEK ALLUVIUM) DATUM = 6685.68 ............................................................... CATEGORY ...: ............................................... PARAMETER ......:............................................ ANALYSIS TYPE ...:.......................................:... UNITS .........................:.. NOV .......................:.. FEB ; .......................... APR ........................... MAY .....................- AUG --.......... ---..........:.......................... OCT MAR ;FIELD PARAMETERS DATE 11/11/02 .... ,,........... ,.. ,. 2/5/03 : . .... .......... 4/15/03 5/12/03 8/8/03 10/15/03 3/30/04 WATER ELEVATION FT ABOVE MSL 6679.09 6680.32; 6682.2; 6682.7; 6681.38: 6679.08;: 6682.1: :................ ................ .......... ............. ...... ::WATER LEVEL .:;.............................................. ..... ........................................ :FT .......... 6.59: ... :: ,.:::::::: 5.36 :::::::....::::,:,,:::.:. 3.48: ::: 3.02: ::::.;.: 4.3 .............::::::......:;:: 6.6> 3.52: :PHYSICAL PROPERTIES TEMPERATURE ..... :FIELD .. ............... ......... .............. ..... DEGREES C ........................ ... 7.2 ........................ 5.1' ........................ 8.0: ........................ .... 6.5 ........... ............. 14.2: ................................... ...... 12.3; 7.4 ;CONDUCTIVITY :FIELD ::.. :.. UMHOS/CM 1070 1050 795. 896. 1080; 991. 725: :LAB :UMHOS/CM 860; 1100 1200` `PH FIELD .......................................... . PH : ............................. 6 7.40.1' 7.81; 7.80: 7.41; 7.90: :LAB .. .............. . PH .. .................... 7.36 ..... ..................;.. 7.33; .......................... .... 7.30< .. ..................... SOLIDS ;TOTAL-DISS MG/L 820- 730: 820: :::CATIONS ::CALCIUM :DISSOLVED :MG/L 100> 100; :..:........ :...: 120::: ::.: .....:........... :. ......... ' ?MAG ::............NE IUM ............. :DISSOLVED....... ..................... :MG/L ..... .. . 52 - -..-.56>,:. ._. -'65,., ..... 'SODIUM .;....... : DISSOLVED _ . ................................ .. :MG/L ..................... 100 ...................... 87: .... 94€ .. ...................... ANIONS 'BICARBONATE AS HC03 ..... MGIL 480 420: 460: ::CARBONATE .:::.... :AS C03 :MG/L < V < 1. < 1 ................................................................ ','SULFATE .................................................. NOT APPLICABLE .................................................. MG/L 330: 330 ...... ............::.:;:: ....... 270:; €PRIMARY ::CADMIUM .. DISSOLVED .... ------. .... UG/L <.2 . ..............< 2.. ................. <.2>... ...................... -LEAD DISSOLVED UG/L < 50 < 50 < 50 ;MERCURY :DISSOLVED :UG/L = < 0.2 < 0.2 ........................ ............... .................... ..... :SELENIUM :........................ ....................... ;DISSOLVED ..... ............................................. :UG/L .. .. :: < 2 < 2 < 2 ;SECONDARY .IRON :DISSOLVED ... ................ UG/L ........................... 14 ....................... < 5 .......................... .................. <.5.;. ::MANGANESE DISSOLVED UG/L 1900: 1800: :....... 2000 :TRACE METALS MOLYBDENUM .. ...:::.............. ;. . : . :DISSOLVED .. UG/L < 50= < 50: < 50 :NUTRIENTS . N TROGE NI :AMMIA FREE .......................................... MG/L : 0.13' 0.12' 0.15' .... .................... ... :N03+NO2 . . ;....................................... MG/L .... < 0.02 ... ..............0.1 .. .................... 0.06:... ...................... 'PHOSPHATE ORTHO-DISS MG/L < 0.01 < 0.01 : . . < 0.01 ...... ......:. EXCEL:G:\Euviromuental\CDMG - CDRDIS\AHR\2008\Tables\New Alluvial Well 2009.xis