2007-03-27_REPORT - C1980006 - Laserfiche WebLink

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Laboratories, Inc. 2773 Downhill Drive Steamboat Springs, CO 80487 (800) 334-5493 Kerr Coal Company ACZ Project ID: L53815 L53815At WG798090 Potassium, tlissolvetl M200.7 ICP M4 One spike recovery was outsitle of the acceptance limits; the duplicate spike recovery and the RPD were within the acceptance limits. Sodium, tlissolved M200.7 ICP M4 One spike recovery was outside of the acceptance limits; the duplicate spike recovery and the RPD were within the ' acceptance limits. WG798080 Nitrate/Nitrite as N, dissolved M353.2 -Automated Cadmium HC Initial analysis within holding lime. Reanalysis was past Reduction holding time which was required tlue to a OC failure during the initial analysis. WG198740 Sulfate M378.3 -Gravimetric RA Relative Percent Difference (RPD) was no[ evaluatetl because the sample concentration is less than 10x the MDL L53815-02 WG198090 Potassium, tlissolved M200.71CP MA One spike recovery was outside of the acceptance limits; the duplicate spike recovery antl the RPD were within the acceptance limits. Sodium, dissolved M200.7 ICP M4 One spike recovery was outside of the acceptance limits; the duplicate spike recovery and the RPD were within the acceptance limits. WG198080 Nitrate/Nitrite as N, dissolvetl M353.2 -AUtomatetl Cadmium HC Initial analysis within holding time. Reanalysis was past Reduction holtling time which was required due to a OC failure during the initial analysis. WG798740 Sulfate M378.3 -Gravimetric RA Relative Percent Difference (RPD) was not evaluated because the sample concenraticn is less than 10x Ne MDL L$391$-03 WG198090 Potassium, dissolved M200.7 ICP MA One spike recovery was outside of the acceptance IImItS; the duplicate spike recovery and the RPD were within the acceptance IimiLS. Sodium, dissolved M200.71CP M4 One spike recovery was outsitle of the acceptance limits; the duplicate spike recovery and the RPD were within the acceptance limits. WG798080 Nitrate/NiUite as N, dissolved M353.2 - Automatetl Cadmium HC Initial analysis within holding time. Reanaysis was past Reduction holding time which was required due to a QQ failure during the initial analysis. WG198740 Sulfate M375.3 - Gravimetrb RA Relative Percent Dilference (RPD) was not evaluated because the sample cencentration is less than 70x the MDL L53815-84 WG198090 Potassium, dissolved M200.71CP M4 One spike recovery was outsitle of the acceptance limits; the duplicate spike recovery and the RPD were wiNin the acceptance limits. Sotlium, dissolved M200.7 ICP M4 One spike rewvery was outside of the acceptance limits; the duplicate spike recovery and the RPD were within the acceptance limits. WG198080 Nitrate/Nitrite as N, dissolvetl M383.2 -Automated Cadmium HC Initial analysis within holding time. Reanalysis was past Retludion holding time which was required due to a OC failure tludng the initial analysis. Nitrite as N, dissolvetl M353.2 -Automated Cadmium HC Initial analysis within holding time. Reanaysis was past Reduction holding ume which was required due to a OC failure during the initial analysis. WG198740 Sulfate M375.3 -Gravimetric RA Relative Percent Difference (RPD) was not evaluated because Ne sample concentration is less than 10x the MDL L53818-OS WG798090 Potassium, tlissolved M200.7 IGP M4 One spike recovery was outside of the acceptance limits; the duplicate spike recovery and the RPD were within the acceptance limits. WG198080 NltratelNiMte as N, dissolved M353.2 -Automated Cadmium HC Initial analysis within holding time. Reanalysis was past Retlucticn holding time which was requiretl due to a OC failure during the initial analysis. Nitrite as N, dissolvetl M353.2 - Automatetl Catlmium HC Initial analysis within holding time. Reanalysis was past Reduction holding time which was required due to a OC failure dutlng the initial analysis. REPAD.18.06.05.01 L53815: Page 11 of 17