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~ Acz <br /> ACZ faboruraies. lnc. Lab Sample m: L5834-0( <br />' 3o4o9Obwnlti!lDrrve Client Sample [D: 306 <br /> 5leanvbga! Springf, CO d64d7 Client Project ID: <br /> (800) 3345493 ACZ Report m: RG103S9 <br /> Kerr Coal Company Date Sampled: 5'14/95 <br /> P.O. Box 487 Date Received: 5/16/95 <br /> Walden, CO 80480 Date Reported: 6/19/95 <br /> George Patterson <br /> Sample Matrix: Surface Water <br /> Field Data <br /> Conductivity (Field) Ficld Measurement 2900 umhoslcm 3249; jm <br /> pH (Field) Field Measurement 8.3 traits 32491 jm <br /> Tempentnue (Field) Field Measurerrrcnt 14.0 C 524/95 jm <br />Metals Analysis <br />Calcium, dissolved M200.71CP 96.2 mrJ1 02 1 62993 fp <br /> Iran, rood recoverable M200.71CP 0.69 mart 0.01 0.05 62793 Cp <br /> Magnesium. dissolved M200.7 ICP 113.0 me/1 02 1 62993 fp <br />Manganese. total rewverable M200.71CP 0.031 mg/L 0.005 0.03 62493 fp <br />-j ~ Potassium. dissolved M200.71CP 4.6 mv/L 03 1 629N3 fp <br />1 Sodium, dissolved M200.7 ICP 352.0 mg/L 03 I 6R9A3 fp <br />Metals Pre <br /> Total Remveroble Diaestioo M3003 ICP 6!693 jaw <br />war s,oemrsrrv <br />~ Alkalinity as CaC03 M310.1 <br />Bicarbonate as CaC03 461 rndL 2 10 6(L93 jw <br />Carbonate u CaC03 31 mrA- 2 10 6293 jw <br />Hydroxide ss CaC03 U me/L 2 10 ti2193 jw <br />Total Alkalinity 492 m_JL 2 10 6!193 jw <br />7 Cation-Anion Balaoa Calculation <br />1 Cation-Anion Balance 0.8 !: 6R9N3 talc <br />Sum of Anions 37.90 meq/L 0.01 0.03 62995 talc <br />Sum of Cazions 38.50 meglL 0.01 0.03 62993 talc <br />Chloride M323.2 - Colorimetric (RF.4) 16 mg/L I 5 W695 hm <br />Lab Filtraion ••• 52793 jk <br />Lab Filtration @ Acidifiratioa ••• 3R7N3 jk <br />111 <br />Nitrate as N, dissolved M3332 -Automated 0.03 B mg/L 0.02 0.1 32793 rvp <br />NitrrdelNitrite ss N. dissolved M3332 -Automated Cadmium Reductio 0.03 B mg/L 0.02 0.1 52795 rvp <br />Nitrite ss N, dissolved M3332 - Aummeted U mg/L 0.01 0.05 32793 rvp <br />Residue, Filterable (fD51 ~ IBOC M160.1 -Gravimetric 2330 mg1L 10 20 3/3193 jk <br />1 <br />Residue.Non-Filterable (1'551 ~~103-SC MI602-Gravimetric 30 mg/L S 20 3!3195 jk <br />Sodium Absorption Ratio N A~ater USGS • 11738-76 9.16 0.03 0.13 62993 talc <br />Sulfate M373.3-Csravunetric 1300 mg/L 100 200 62193 jk <br />1 <br />TDS (calculazed) Calculazion 2400 mg/L IO 30 62993 talc <br />TDS (ratio) Calculation 0.97 62993 talc <br />U =Analyze wss melyrrA for but not detected <br />B =Analyze wnaotretioo detected az e value between MDL end PQL `/_ <br />Ci"`7 / ~ <br />v't' . / <br />Y <br />PQL =Practical Quaotitatioa Limit , <br />_ Via President of Operations: Ralph Poulson <br />REPINOOt03.95.0r Page 1 of 1 <br />