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�ivanierra <br /> Envlronrnental <br /> semces <br /> CASE NARRATIVE <br /> QUANTERRA INCORPORATED PROJECT NUMBER 096392 <br /> el <br /> S ectad Metals - Method 6010A <br /> Samples were filtered and preserved m the field and results are reported as dissolved metals <br /> Samples were analyzed for manganese by ICAP method 6010A. The method blank, LCS and <br /> MS/MSD met all QC criteria for manganese <br />' General Inorganics - Various Methods <br /> Samples were analyzed for chloride at a 1 10 dilution due to the high level of analyte present <br />' The reporting limit was increased to account for the required dilution factor <br /> The method blanks, LCS and MS/SD met all QC acceptance criteria <br /> 1 <br /> Ferrous Iron - Method SM3500 (Subcontracted Analysis - CLS) <br /> Ferrous iron analysis was subcontracted to CLS Laboratory in Rancho Cordova, CA <br />' Dissolved Gases in Water- Method RSKSOP-175 (Quanterra COI) <br /> Dissolved Gases was performed by the Quanterra laboratory located in City of Industry, CA <br /> Note the method blank used in this analysis was prepared using Ultra High Purity Helium <br /> (UHP Grade) prepared in a Tedlar bag and functions in the same manner as an instrument <br />` blank Although this air blank was not the same matrix as the samples analyzed, this blank <br /> demonstrated that the analytical system and/or procedure was free of contamination at the <br />' time of analysis Future analyses will be performed with a water matrix method blank <br />' There were no other anomalies associated with this project <br />