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<br />A Laboratories, Inc. <br />2773 Downhill Dove Steamboat Springs, CO 80487(800) 334-5493 P P E ' •..~ <br />• Lorencito Coal Company ACZ Sample ID: L49652-01 <br /> Project ID: Date Sampled: 01/26/05 11:10 <br /> Sample ID: LGt Date Received: 01/27/05 <br /> Sample Matrix: Surface Water <br /> Wet Chemistry <br /> <br /> Alkalinity as CaC03 SM23206 -Titration <br /> Bicarbonate as 276 mglL 2 10 02105/05 0:00 ktd <br /> CaC03 <br /> Carbonate as CaC03 U mglL 2 10 02/05/05 0:00 ktd <br /> Hydroxide as CaC03 U mglL 2 10 D2I05/0S 0:00 kttl <br /> Total Alkalinity 276 mg1L 2 10 02!05105 0:00 ktd <br /> Ammonia as N, un- M350.1 -Calculation U mg/L 0.01 0.05 02/15/05 0:00 talc <br /> ionaed <br /> Cation-Anion Baance Calculation <br /> CaOon-Anion Balance 5.4 % 02I15N5 0:00 talc <br /> Sum of Anions 8.7 meglL ~ 0.1 0.5 02115/05 0:00 talc <br /> Sum of CaOons 9.7 meglL 0.1 0.5 02115105 0:00 talc <br /> Chloride M325.2-Colodmehic 69 mg/L 1 5 02/09!0519:49 pjb <br /> Conductiv'dy (a~25C M120.1 -Meter 912 umhos/cm 1 10 02109105 16:27 ct <br /> Hardness as CaC03 SM2340B-Calculation 196 nglL 1 7 021151050:00 plc <br /> lab Filtra8on SM 3030 8 0127/05 14:46 kris <br /> Lab Filtration R SM 3030 B ` 02/01!05 13:79 wfg <br />• ArJd~pOon <br />Nitrogen, ammonia <br />M350.1 -Automated Phenate <br />U <br />mg/L 0.05 <br />0.5 <br />02/07/05 77:15 <br />ksj <br /> pH (lab) M150.1 - Electrometric 8.0 H units 0.1 0.1 02/05/05 15:55 ktd <br /> Residue, Filterable M760.7 - Gravimetric 520 mglL 10 20 0727/D5 15:56 Ims <br /> (TDS) [o3180C <br /> Residue, Non- M160.2 - Gravimetdc U mglL 5 20 0127105 15:26 hrls <br /> Fltembie (TSS) <br /> @tO5C <br /> Sodium Absorption USGS -11738.78 4.15 0.03 0.15 02115!05 0:00 talc <br /> Ratio in Water <br /> SWfate M375.3-GravimeMC 60 mglL 10 50 02/09/0514:47 mp/ci <br /> TDS (calculated) Calculation 495 mg/L 10 50 02175/05 0:00 plc <br /> TDS (ra8o- Calculation 7.05 02175/050:00 plc <br /> measured/plculated) <br />REPIN.01.11.00.01 ' PleasD mfDr f0 Extended Quali(er Report for detail. <br />• 1.49652: Page 3 of 10 <br />