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#=QL# <br />QUALIFIERS <br />Pace Project No.: <br />Project: <br />10650001 <br />B2204011.00-Revised Report <br />DEFINITIONS <br />DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot. <br />ND - Not Detected at or above adjusted reporting limit. <br />TNTC - Too Numerous To Count <br />J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit. <br />MDL - Adjusted Method Detection Limit. <br />PQL - Practical Quantitation Limit. <br />RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and <br />bias for a specific analyte in a specific matrix. <br />S - Surrogate <br />1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is <br />a combined concentration. <br />Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values. <br />LCS(D) - Laboratory Control Sample (Duplicate) <br />MS(D) - Matrix Spike (Duplicate) <br />DUP - Sample Duplicate <br />RPD - Relative Percent Difference <br />NC - Not Calculable. <br />SG - Silica Gel - Clean-Up <br />U - Indicates the compound was analyzed for, but not detected. <br />N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for <br />each analyte is a combined concentration. <br />Reported results are not rounded until the final step prior to reporting. Therefore, calculated parameters that are typically reported as <br />"Total" may vary slightly from the sum of the reported component parameters. <br />Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes. <br />TNI - The NELAC Institute. <br />ANALYTE QUALIFIERS <br />Analyte recovery in the laboratory control sample (LCS) was below QC limits. Results for this analyte in associated <br />samples may be biased low.L2 <br />Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery.M1 <br />The lab does not hold NELAC/TNI accreditation for this parameter but other accreditations/certifications may apply. A <br />complete list of accreditations/certifications is available upon request.N2 <br />REPORT OF LABORATORY ANALYSIS <br />This report shall not be reproduced, except in full, <br />without the written consent of Pace Analytical Services, LLC.Date: 05/02/2023 11:28 AM <br />Pace Analytical Services, LLC <br />1700 Elm Street <br />Minneapolis, MN 55414 <br />(612)607-1700 <br />Page 20 of 24