2008-04-23_GENERAL DOCUMENTS - M1977247 (2)

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ACZ Laboratories, Inc. 2773 Downhill Drive Steamboat Springs, CO 80487 (800) 334 -5493 Matheson Mining Consultants ACZ ID WORKNUM PARAMETER METHOD QUAL DESCRIPTION L68214 - WG242095 Acidity as CaCO3 REPAD.15.06.05.01 WG242149 Chloride WG241971 Fluoride WG241702 Nitrate /Nitrite as N, dissolved WG242312 Nitrite as N, dissolved WG242032 Nitrogen, ammonia WG242149 Sulfate WG241741 Total Alkalinity L68214 WG242095 Acidity as CaCO3 WG242149 Chloride WG241971 Fluoride WG241702 Nitrate /Nitrite as N, dissolved WG242312 Nitrite as N, dissolved WG242032 Nitrogen, ammonia WG242149 Sulfate WG241741 Total Alkalinity SM2310B - Titration 325.2 / SM4500CI -E 325.2 / SM4500CI -E SM4500F -C M353.2 - Automated Cadmium Reduction M353.2 - Automated Cadmium Reduction M353.2 - Automated Cadmium Reduction M350.1 - Automated Phenate 375.4 - Turbidimetric 375.4 - Turbidimetric SM2320B - Titration SM2310B - Titration 325.2 / SM4500CI -E 325.2 / SM4500CI -E SM4500F -C M353.2 - Automated Cadmium Reduction M353.2 - Automated Cadmium Reduction M353.2 - Automated Cadmium Reduction M350.1 - Automated Phenate 375.4 - Turbidimetric 375.4 - Turbidimetric SM2320B - Titration Inorganic Extended Qualifier Report ACZ Project ID: L68214 RA Relative Percent Difference (RPD) was not used for data validation because the sample concentration is too low for accurate evaluation (< 10x MDL). M2 Matrix spike recovery was low, the recovery of the associated control sample (LCS or LFB) was acceptable. RA Relative Percent Difference (RPD) was not used for data validation because the sample concentration is too low for accurate evaluation (< 10x MDL). RA Relative Percent Difference (RPD) was not used for data validation because the sample concentration is too low for accurate evaluation (< 10x MDL). RA Relative Percent Difference (RPD) was not used for data validation because the sample concentration is too low for accurate evaluation (< 10x MDL). HC Initial analysis within holding time. Reanalysis was past holding time, which was required due to a QC failure during the initial analysis. RA Relative Percent Difference (RPD) was not used for data validation because the sample concentration is too low for accurate evaluation (< 10x MDL). RA Relative Percent Difference (RPD) was not used for data validation because the sample concentration is too low for accurate evaluation (< 10x MDL). M4 The spiked sample required a dilution such that the spike recovery calculation does not provide useful information. The recovery of the associated control sample (LCS or LFB) was acceptable. RD For a solid matrix, the duplicate RPD (spike or matrix) exceeded the control limit, which is attributable to the non - homogeneity of the sample. B4 Target analyte detected in blank at or above the acceptance criteria. RA Relative Percent Difference (RPD) was not used for data validation because the sample concentration is too low for accurate evaluation (< 10x MDL). M2 Matrix spike recovery was low, the recovery of the associated control sample (LCS or LFB) was acceptable. RA Relative Percent Difference (RPD) was not used for data validation because the sample concentration is too low for accurate evaluation (< 10x MDL). RA Relative Percent Difference (RPD) was not used for data validation because the sample concentration is too low for accurate evaluation (< 10x MDL). RA Relative Percent Difference (RPD) was not used for data validation because the sample concentration is too low for accurate evaluation (< 10x MDL). HC Initial analysis within holding time. Reanalysis was past holding time, which was required due to a QC failure during the initial analysis. RA Relative Percent Difference (RPD) was not used for data validation because the sample concentration is too low for accurate evaluation (< 10x MDL). RA Relative Percent Difference (RPD) was not used for data validation because the sample concentration is too low for accurate evaluation (< 10x MDL). M4 The spiked sample required a dilution such that the spike recovery calculation does not provide useful information. The recovery of the associated control sample (LCS or LFB) was acceptable. RD For a solid matrix, the duplicate RPD (spike or matrix) exceeded the control limit, which is attributable to the non - homogeneity of the sample. B4 Target analyte detected in blank at or above the acceptance criteria. L68214: Page 38 of 51