2021-11-22_HYDROLOGY - M1977300 (2)

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ACZ Laboratories, Inc. • - • - • 2773 Downhill Dnve Steamboat Spnngs, CO 80487 (800)334-5493 - • • Ensero Solutions ACZ Project ID: L68577 METHODACZ ID WORKNUM PARAMETE QUAL DESCRIPTION L68577-01 NG527970 Cyanide,WAD SM4500-CN I,E-Colonmetric 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) WG528529 Nitrate/Nitnte as N 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). WG528205 Phosphorus,total 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) WG527762 Residue,Non-Filterable(TSS)@105C 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(<1Ox MDL) SM2540D Z3 Sample volume yielded a residue less than 2.5 mg WG529064 Silver,dissolved M200.8 ICP-MS M2 Matrix spike recovery was low,the recovery of the associated control sample(LCS or LFB)was acceptable. M200 8 ICP-MS ZA Poor recovery for Silver quality control is accepted due to low Silver solubility in samples,digestates,or extracts that do not contain sufficient Hydrochloric acid WG528257 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- RA Relative Percent Difference(RPD)was not used for data TURBIDIMETRIC validation because the concentration of the duplicated sample is too low for accurate evaluation(<1 Ox MDL) WG528509 Uranium,total M200.8 ICP-MS M1 Matrix spike recovery was high,the recovery of the associated control sample(LCS or LFB)was acceptable WG528409 Zinc,dissolved M200 7 ICP MA Recovery for either the spike or spike duplicate was outside of the acceptance limits;the RPD was within the acceptance limits REPAD 15.06.05.01 L68577-21 1 1 1 61 058 Page 12 of 21