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DATA SUMMARY REPORT 2012 DATA SUMMARY REPORT MISSISSIPPI RIVER - POOL 2 AND ADJACENT LOCATIONS Prepared for Brewer Attorneys and Counselors Dallas, Texas Prepared by Anchor QEA, LLC 4300 Route 50, Suite 202 Saratoga Springs, New York 12866 April 2016 2012 DATA SUMMARY REPORT MISSISSIPPI RIVER - POOL 2 AND ADJACENT LOCATIONS Prepared for Brewer Attorneys and Counselors Dallas, Texas Prepared by Anchor QEA, LLC 4300 Route 50, Suite 202 Saratoga Springs, New York 12866 April 2016 TABLE OF CONTENTS 1 INTRODUCTION ................................................................................................................1 2 METHODS ...........................................................................................................................2 2.1 Water Sample Locations ..................................................................................................2 2.2 Water Sampling................................................................................................................2 2.2.1 Water Sampling Procedures ......................................................................................2 2.2.2 Laboratory Analyses ...................................................................................................3 2.3 Quality Assurance/Quality Control ................................................................................3 3 RESULTS ..............................................................................................................................4 3.1 Mississippi River Flow .....................................................................................................4 3.2 Analytical Results.............................................................................................................4 3.3 Data Validation.................................................................................................................4 3.4 Laboratory Data Reports ..................................................................................................4 4 REFERENCES ......................................................................................................................5 List of Tables Table 1 Summary of Sampling Locations Table 2 2012 Surface Water Results List of Figures Figure 1 Locations of 2012 Surface Water Samples Figure 2 Mississippi Hydrograph with Sampling Events List of Appendices Appendix A Data Validation Reports 2012 Data Summary Report Mississippi River - Pool 2 i April 2016 160945-01.02 ACRONYMS AND ABBREVIATIONS Anchor QEA Anchor QEA, LLC cfs cubic feet per second DSR Data Summary Report PFAS perfluoroalkyl substance PFBA Perfluorobutanoate PFBS Perfluorobutanesulfonate PFDA Perfluorodecanoate PFDoA Perfluorododecanoate PFHpA Perfluoroheptanoate PFHxA Perfluorohexanoate PFHxS Perfluorohexanesulfonate PFNA Perfluorononanoate PFOA Perfluorooctanoate PFOS Perfluorooctanesulfonate PFOSA Perfluorooctane sulfonamide PFPeA Perfluoropentanoate PFUnA Perfluoroundecanoate QA/QC quality assurance/quality control QAPP Quality Assurance Project Plan SAP Sampling and Analysis Plan USGS United States Geological Survey 2012 Data Summary Report Mississippi River - Pool 2 i April 2016 160945-01.02 1 INTRODUCTION This Data Summary Report (DSR) has been developed by Anchor QEA, LLC, on behalf of Brewer Attorneys and Counselors, to present the results of sampling and analysis activities performed to measure the water concentrations of perfluoroalkyl substances (PFASs) in Pool 2 of the Mississippi River in 2012 and additional nearby locations as documented in the 2012 Sampling and Analysis Plan (SAP; Anchor QEA 2012).

ARDGOIE 7 EVALUATION OF MUTAGENICITY STUDIES DEVELOPED ON (PFOS) PERFLUOROOCTANE SULFONATE PREPARED BY PROF.

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