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~ICZ <br />ACZ IabaraWries, lne. Lab Sample ID: /A958-04 <br />30400 i7bwnhifl !hive Client Sample ID: N~Good Spg. We!! <br />Sleanrboat Springs, CO 80487 Client Project ID: POH/0173-955 <br />(80g) 334-5093 ACZ Report ID: RG6494 <br />Colowyo Coal Company Date Sampled: 3//5/95 <br />5731 State Highway 13 Date Received: 3/!6/95 <br />Meeker, CO 81641 Date Reported: 3/31/95 <br />Jim Kiger <br /> Sample Matrix: Ground Wafer <br />Metals Anal sis <br />Arsrnic, total recoverable M206.2 GFAA 0.001 B mg/L 0.001 0.005 321 NS sh <br />Calcium, dissolved M200.71CP 166 mglL 0.2 1 326/95 fp <br />Iron, total rewverable M200.71CP 0.42 mg/L 0.01 0.05 325/95 fp <br />Lead, mtal recoverable M200.7 ICP U mg/L 0.02 0.1 325195 fP <br />Magnesiwn, dissolved M200.7 ICP 169 mg/l, 0.2 1 326/95 fP <br />Manganese, total rewverable M200.7 ICP 0.429 mg/L 0.005 0.01 325/95 fp <br />Mercury, total rewverable M245.1 CVAA U mglL 0.0002 0.001 324/95 rd <br />Selenium, total recoverable SM 3500-Se C, AA-Hydride U mglL 0.001 0.005 322/95 rd <br />Sodium, dissolved M200.7 ICP 83.7 mg/L 0.3 1 326/95 fP <br />Zinc, total recoverable M200.7 ICP U mg/L 0.01 0.05 325/95 fp <br />Metals Pre <br />Total Rewverable Digestion M3005 ICP 320/95 jaw <br />Total Recoverable Digestion M3005 GFAA 320/95 jaw <br />Wet Chemis <br />Alkalinity as CaC03 M2320B <br />Bicarbonau as CeC03 485 mg/L 2 IO 321/95 be <br />Carbonate ss CaC03 U mg/L 2 10 321/95 be <br />Hydroxide as CeC03 U mg/L 2 10 321/95 be <br />Total Alkalinity 485 mg/L 2 10 321/95 be <br />Conducfivity Qa 25C M120,1-Mctcr 2030 umhos/cm 1 IO 3/17/95 be <br />Hardness ss CaC03 Calculazion baxd on dissol ved Mg & CB 1120 mg/L 1 7 3/31/95 sm <br />lab Filtration ••• 3/16/95 kh <br />Lab Filtration & Acidification ~ ••• 3/17/95 kh <br />Nitrate as N, dissolved M353,2 -Automated 0.18 mg/L 0.02 0.1 3/16/95 hm <br />NivazeMitrire as N, dissolved M353.2 -Automated Cadmium Reduction 0.18 mglL 0.02 0.1 3/16/95 hm <br />Nitrite as N, dissolved M353.2 -Automated U mglL, 0.01 0.05 3/16/95 hm <br />Nitrogen, ammonia ~ M350,1 -Automated Phenaze 0.13 B mg/L 0.05 0.3 321/95 hm <br />pH (lab) M9040-Electmmetric 7.4 units 0.1 0.1 3/17/95 be <br />Phosphorus, total M365, 1-Automated Ascorbic Acid (digest 0.028 mg/L 0.005 0.03 3/17195 hm <br />Residue, Filterable (TDS)~IBOC M160,1-Gravimetric 1620 mg/L 10 20 3/17/95 kh <br />Sodium Absorption Ratio in Water USGS -11738.78 ~ 1.10 0.03 0.15 3/31/95 sm <br />Sulfate M375,3-Gravimetric 820 mg/L 10 20 3/17/95 kh <br />U =~Analyte was analyzed for but not detected n <br />B =Analyze contxntra5on deteced at a value between MDL and PQL / <br />///((( /_ / <br />I~r/sa ~ , / ~~ <br />t Y j~ <br />PQL =Practical QuanGtuion Limit Vice President of Operations: Ralph Poulson <br />\ REPIN00103.95.01 Page 1 of 1 <br />