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ACZ . , . W ' .- <br /> <br />ALZ fabarntorirs, Inc. Lab Sample ID: L6105-OI <br />30400 Downhill Ihivr Client Sample ID: 306 <br />Srsmalroar Springs, Co aa4a7 Client Project ID: <br />(800) 33e-.uP3 ACZ Report ID: RG1 13a3 <br />Kerr Coal Company Date Sampled: 6/!4/9 / 1:08 <br />P.O. Box 487 Date Received: 6/!rf/95 <br />Walden, CO 80480 Date Reported: ?i)//9~ <br />George Patterson <br /> Sample Matrix: Surface Water <br />Field Data <br />Conductivity (Field) Field Measurement 3300 umhoslcm 6/14/95 jm <br />pH (Field) Field Measurement 8.2 utits 6/14N3 jm <br />Temperature (Field) Field Meuurement 20.0 C 6/14N5 jm <br />Metals Aosl sis <br />Calcium, dissolved M200.71CP 126.0 ma/L 01 I 729N3 rd <br />Iron. mtel recoverable M200.71CP 011 mg/L 0.01 0.05 7l2IA5 b <br />Magnesium, dissolved M200.71CP 157.0 mg/L 01 1 7/29N5 rd <br />Mmgmese, mtel rewvrnble M200.7 ICP 0.499 mg/L 0.005 . 0.03 722N5 b <br />Poussiran dissolved M200.71CP 4.5 mg/L 03 1 729N5 rd <br />Sodium, dissolved M200.71CP 643.0 mg/L 0.6 2 8/INS rd <br />Metab Pre <br />ToW Rccovereble Digestion M3005 ICP 7/6195 jaw <br />Wet Chemist <br />Alkalinity as CaC03 M3I0.1 <br />Bicarbonate as CeC03 600 mg/L 2 10 6/19N5 jw <br />Carbonate as CaC03 U mg/L 2 10 6I19N5 jw <br />Hydroxide u CaC03 U mg/L 2 10 6/19N3 jw <br />Total Alkalinity 600 mg/L 2 10 6/19N5 jw <br />Cation-Anion Balms Cdadation ' <br />Cation-Mion Balms -1.5 !: 7l31N5 talc <br />Sum ofMions 48.70 rneq/L 0.01 0.05 7/31 N5 talc <br />Sum ofCetiom 47.30 meq/L 0.01 0.05 7/31N5 talc <br />Chloride M3252 - Colorimetric (RFA) 36 mz/L I 5 627N5 ss <br />Lab Filtration "' 6/16/95 jw <br />Lab Filution & Acidi6eatioo "' 6/19N5 ko <br />Nieate as N, dissolved M3531- Aummared 0.02 B mg/L 0.02 O.l 6/17/95 hm <br />NiuatdNitrite as N, dissolved M3531- Aummued Cadmium Reductio 0.02 B mg/L 0.02 0.1 6/I7N5 hm <br />Nitrite as N, dissolved M3531-Automated U mg/L 0.01 0.05 6117/95 hm <br />Residue, Filteable (TDS) (d 180C M160.1 - Grevimetric 3060 mg/L IO 20 6I19N5 kh <br />Residue, Non-Filterable (1'SS) •3103-SC M1601- Gmimetric 14 B mg/L S 20 6I19I95 kh <br />Sodium Absorytioo Ratio is R"star USGS -11738-78 912 0.03 0.15 7(3IN5 talc <br />SulfeOe M3153-Gravimerric 1700 m8/L 100 200 621N5 jk <br />7D.S (calculated) Calculation 3020 mg/L 10 50 7/31N5 talc <br />TDS (ratio) Calculation 1.01 7/31N5 talc <br />jU = Melyte was mdyrsd for bu[ not detected <br />.B = Melyle wncentratioo deueaed al a value between MDL and PQL <br />~ <br />~ <br />~ <br />!PQL = Practical Qumtiution L®it <br />Vice President of Operations: Rdph Poulsw <br />REPIN00103.95.Ot Pipe t of t <br />