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ADZ Laboratories, Inc. • - - • - • 2773 Downhill Drive Steamboat Springs, CO 80467 (800)334-5493 R - • • Ensero Solutions ACZ Project ID: L66559 METHOD:ACZ ID WORKNUM PARAMETER QUAL DESCRIPTION L66559-01 JVG521742 Cyanide,WAD SM4500-CN I,E-Colorimetric w/ M2 Matrix spike recovery was low,the recovery of the distillation associated control sample(LCS or LFB)was acceptable. SM4500-CN I,E-Colorimetric w/ Q6 Sample was received above recommended temperature. distillation SM4500-CN I,E-Colorimetric 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). WG522332 Fluoride SM450OF-C M2 Matrix spike recovery was low,the recovery of the associated control sample(LCS or LFB)was acceptable. SM450OF-C Q6 Sample was received above recommended temperature. WG522501 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(<10x MDL). WG522201 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). WG521521 Residue,Filterable(TDS)@180C SM2540C Q6 Sample was received above recommended temperature. SM2540C 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). WG521721 Residue,Non-Filterable(TSS)@105C SM2540D HC Initial analysis within holding time.Reanalysis was past holding time,which was required due to a QC failure during the initial analysis. 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(<1 Ox MDL). SM2540D Z3 Sample volume yielded a residue less than 2.5 mg WG522738 Sulfate D516-02/-07/-11- M3 The spike recovery value is unusable since the analyte TURBIDIMETRIC concentration in the sample is disproportionate to the spike level.The recovery of the associated control sample(LCS or LFB)was acceptable. D516-02/-07/-11- Q6 Sample was received above recommended temperature. TURBIDIMETRIC WG522274 Total Hot Plate Digestion M200.2 ICP DJ Sample dilution required due to insufficient sample. WG522305 M200.2 ICP-MS DJ Sample dilution required due to insufficient sample. REPAD.15.06.05.01 L66559-2108181147 Page 12 of 23