2022-08-01_HYDROLOGY - M1977300 (2)

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ACZ Laboratories, Inc. • 11 UTIT, : • 2773 Downhill Drive Steamboat Springs,CO 80487 (800)334-5493 : • • Ensero Solutions ACZ Project ID: L73811 L73811-01 NG544683 Cyanide,WAD SM4500-CN I,E-Colonmetric w/ Q6 Sample was received above recommended temperature. distillation SM4500-CN I,E-Colodmetric w/ RA Relative Percent Difference(RPD)was not used for data distillation validation because the concentration of the duplicated sample is too low for accurate evaluation(<1 Ox MDL). WG545449 Fluoride SM450OF-C Q6 Sample was received above recommended temperature. WG545176 Nitrete/Nitnte as N M353.2-H2SO4 preserved 06 Sample was received above recommended temperature M353.2-H2SO4 preserved RA Relative Percent Difference(RPD)was not used for data validation because the concentration of the duplicated sample is too low for accurate evaluation(<1 Ox MDL). W G544680 Phosphorus,total M365.1-Auto Ascorbic Acid Q6 Sample was received above recommended temperature. (digest) M365.1-Auto Ascorbic Acid RA Relative Percent Difference(RPD)was not used for data (digest) validation because the concentration of the duplicated sample is too low for accurate evaluation(<1 Ox MDL). WG544268 Residue,Filterable(TDS)@180C SM2540C N1 See Case Narrative. SM2540C Q6 Sample was received above recommended temperature. SM2540C RO The duplicate originally assigned to this sample was not used for precision assessment because residue density did not meet method limits. Another duplicate in the batch was used to assess precision. Method required duplicate frequency was not met. WG544219 Residue,Non-Filterable(TSS)@105C SM2540D Q6 Sample was received above recommended temperature. SM2540D RA Relative Percent Difference(RPD)was not used for data validation because the concentration of the duplicated sample is too low for accurate evaluation(<10x MDL). SM2540D Z3 Sample volume yielded a residue less than 2.5 mg WG545403 Sulfate D516-02/-0701- M2 Matrix spike recovery was low,the recovery of the TURBIDIMETRIC associated control sample(LCS or LFB)was acceptable 0516-02/-07/-11- Q6 Sample was received above recommended temperature. TURBIDIMETRIC L73811-02 VVG544683 Cyanide,WAD SM4500-CN I,E-Colonmetric w/ Q6 Sample was received above recommended temperature. distillation SM4500-CN I,E-Colorimetnc w/ RA Relative Percent Difference(RPD)was not used for data distillation validation because the concentration of the duplicated sample is too low for accurate evaluation(<10x MDL). WG545449 Fluoride SM450OF-C Q6 Sample was received above recommended temperature. W G545176 Nitrate/Nitrite as N M353.2-H2SO4 preserved Q6 Sample was received above recommended temperature. M353 2-H2SO4 preserved RA Relative Percent Difference(RPD)was not used for data validation because the concentration of the duplicated sample is too low for accurate evaluation(<1Ox MDL). W G544680 Phosphorus,total M365 1-Auto Ascorbic Acid Q6 Sample was received above recommended temperature. (digest) M365.1-Auto Ascorbic Acid RA Relative Percent Difference(RPD)was not used for data (digest) validation because the concentration of the duplicated sample is too low for accurate evaluation(<1 Ox MDL). WG544268 Residue,Filterable(TDS)@180C SM2540C N1 See Case Narrative SM2540C 06 Sample was received above recommended temperature. SM2540C RO The duplicate originally assigned to this sample was not used for precision assessment because residue density did not meet method limits. Another duplicate in the batch was used to assess precision Method required duplicate frequency was not met WG544317 Residue,Non-Filterable(TSS)@105C SM2540D Q6 Sample was received above recommended temperature. SM2540D Z3 Sample volume yielded a residue less than 2 5 mg WG545403 Sulfate D516-02/-07/-11- M2 Matrix spike recovery was low,the recovery of the TURBIDIMETRIC associated control sample(LCS or LFB)was acceptable. D516-02/-07/-11- Q6 Sample was received above recommended temperature TURBIDIMETRIC REPAD.15 06.05.01 L7381 1-220721 1 457 Page 14 of 24