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fICZ • r . <br />ACZ laboralorics, lnc. Lab Sample ID : L/4933-0/ <br />30.100 Downhill Drive Client Sample ID : TR-A <br />Sreamboas Springs, CO 80487 Client Project ID : Edna Mine <br />(800) 334-5493 ACZ Report ID : RG4901 / <br />Pittsburg & Midway Coal Co. -Edna Mine Date Sampled : 8/4/97 09:45 <br />P.O. Box 176 Date Received : 8/4/97 <br />Oak Creek, CO 80467 Date Reported : 8/!4/97 <br />Dusty Long <br /> Sample Matrix: Surface Water <br />Field Data <br />Condutlivity (Field) Field Measurement 220 umhos/cm 8/4/97 cm <br />pH (Field) Field Measurement 8.5 units 8/4/97 cm <br />Temperature (Field) Field Measurement 15.5 C 8/4/97 cm <br />Metals Anal sis <br />Aluminum. dissolved M200.7 ICP U mg/L 0.03 0.2 8/7/97 ss <br />Calcium, dissolved M200.71CP 27.6 mg/L 0.2 I 8/7/97 ss <br />Iron, dissolved M200.71CP 0.11 mg/L 0.01 0.05 8/7/97 ss <br />Magnesium, dissolved M200.7 ICP 10.0 mg/L 0.2 I 8/7/97 ss <br />Manganese, dissolved M200.7 ICP 0.009 B mg/L 0.005 0.03 8/7/97 ss <br />Potassium, dissolved M200.7 ICP 1.1 mg/L 0.3 I 8/7/97 ss <br />Sodium, dissolved M200.7 ICP 3 4 mg/L 0 3 I 8/7/97 ss <br />Wet Chemist <br />~ ~ 1 ~ r <br />AlkalinityazCaC03 M310.1 <br />Bicarbonate u CaC07 112 mg/L 2 10 6/6/97 gm <br />Carbonate as CaC03 U mg/L 2 10 8/6/97 gm <br />Hydro..ride az CaC03 U mg/L 2 IO 8/6/97 gm <br />Total Alkalinity 112 mg/L 2 10 8/6/97 gm <br />Ammonia az N, un-ionized M350.1 -Calculation U mP/L, 0.01 ~ 0.05 8/14/97 talc <br />Cation-Anion Balance Calculation <br />Cation-Anion Balance 2.2 % 8/14/97 talc <br />Sum of Anions 2.2 mcq/L. 0.1 0.5 B/14/97 talc <br />Sum of Cations 2.3 meq/L 0.1 0.5 8/14/97 talc <br />Chloride M325.2 - Colorimetric (RFA) U mg/L I 5 8/6/97 jb <br />Hardness u CaC03 Calculation based on dissolved Ca 8e Mg 110 mg/L I 7 8/14/97 talc <br />Lab Filtration ••• 8/5/97 em <br />Lab Filtration & Acidification ••• 8/5/97 gm <br />Nitrate az N, dissolved M353.2 -Automated Cadmium Reduction 0.02 B mg/L 0.02 O.l 8/5/97 jb <br />NitratdNitrite az N, dissolved M353.2 -Automated Cadmium Reducion 0.02 B mg/L 0.02 0.1 8/5/97 jb <br />Nitrite az N, dissolved M353.2 -Automated Cadmium Reduction U mg/L 0.01 0.05 8/5/97 jb <br />Nitrogen, ammonia M350.1 -Automated Phonate U mg/L 005 0.3 8/12/97 jb <br />Phosphoms, ortho dissolved M365.1 -Automated Ascorbic Acid 0.009 B mg/L 0.005 0.03 8/5/97 jb <br />Residue, Filterable (TDS)n180C M160.I-Gravimetric 150 mgR. 10 20 8/8/97 ab <br />Residue,Non-Filterable (TSS)(ti`103-$C MI60.2-Gravimetric 8 B mg/L 5 20 B/I 1/97 ac <br />a t <br />,U =Analyte waz analyzed for but not detected at the indicated MDL ///~~~ <br />~iB =Analyte concentration detected al a value between MDL and PQL /// /~~~ <br />PQI, =Practical Quamimtion Limit /t l~ <br />_ ___ Vice President of Operations: Ralph Poulson <br />REPIN101.03.95.01 Page 1 of 2 <br />