It is a major producer of basic petrochemicals, including olefins and aromatics, and a leading supplier of specialty rubbers and of additives for fuels and lubricants.

mi CAUSE NO. 2000-05-1962-C ' ~ I nig, ROBERT HENRY VILLARREAL.

The following personnel from Exygen Research were associated with various phases of this interim portion o f the study: Name John Flaherty Karen Risha Paul Connolly Christine Edwards Mark Ammerman Amy Sheehan Mark Neeley James Miller Brittany Kravets Mindy Cressley Kimberly Hall Frances Crespi Krista Gallant Ed Cams Title Vice President Scientist Technical Lead-LC/MS Technician Sample Custodian Associate Scientist Scientist Scientist Technician Technician Technician Technician Technician Sample Custodian Exygen Research Page 6 o f 115 Interim Report #4 - Analysis o f Surface Soil Samples Exygen Study No.: P0001131 TABLE OF CONTENTS Page TITLE PA G E................................................................................................................................. 1 GOOD LABORATORY PRACTICE COMPLIANCE STATEM ENT................................ 2 QUALITY ASSURANCE STATEM ENT................................................................................ 3 CERTIFICATION OF AUTHENTICITY................................................................................. 4 STUDY IDENTIFICATION........................................................................................................ 5 PROJECT PERSONNEL............................................................................................................. 6 TABLE OF CONTENTS............................................................................................................. 7 LIST OF TABLES........................................................................................................................ 8 LIST OF FIGURES....................................................................................................................... 9 LIST OF APPENDICES.............................................................................................................10 1.0 SUM MARY..........................................................................................................................11 2.0 OBJECTIVE.........................................................................................................................11 3.0 INTRODUCTION................................................................................................................ 11 4.0 ANALYTICAL TEST SAMPLES.....................................................................................12 5.0 REFERENCE M ATERIAL................................................................................................13 6.0 DESCRIPTION OF ANALYTICAL METHOD.............................................................14 6.1.

G L P 1 0 -0 1 -0 2 ; In te r im R e p o r t 2 7 - A n a ly s is o f P F B S , P F H S , a n d P F O S in G r o u n d w a t e r S a m p l e s C o l l e c t e d f r o m D e c a t u r , A L , 1 st Q u a r t e r 2 0 1 2 Study Title Analysis of Perfluorooctane Sulfonate (PFOS), Perfluorohexane Sulfonate (PFHS) and Perfluorobutane Sulfonate (PFBS) in Groundwater, Soil and Sedim ent for the 3M Decatur Phase 3 Site-Related Monitoring Program Data Requirement EPA TSC A Good Laboratory Practice Standards 40 CFR Part 792 Study Director Jaisim ha Kesari P.E., DEE W eston S olutions, Inc. 1400 W eston W ay W est Chester, PA 19380 Phone: 610-701-3761 A u th o r Susan W olf 3M Environm ental Laboratory Interim Report Completion Date Date of signing Performing Laboratory 3M Environmental Health and Safety Operations Environmental Laboratory 3M Center, Bldg 260-05-N-17 St.

00001 1 2 2009-08-26 Paton, dimming Depo in Appleton IN THE UNITED STATES DISTRICT COURT FOR THE EASTERN DISTRICT OF WISCONSIN GREEN BAY DIVISION 3 APPLETON PAPERS INC. and NCR CORPORATION, 4 Pi aintiffs, 5 vs.

INTERIM REPORT #29 - Reanalvsis of Soil and Sludge Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE August 27, 2007 PERFORMING LABORATORY MPI Research, Inc. 3058 Research Drive State College, PA 16801 Phone:814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

INTERIM REPORT #25 - Analysis of Ground Water Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE November 22,2006 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone:814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

G L P 1 0 -0 1 -0 2 ; In te r im R e p o r t 2 7 - A n a ly s is o f P F B S , P F H S , a n d P F O S in G r o u n d w a t e r S a m p l e s C o l l e c t e d f r o m D e c a t u r , A L , 1 st Q u a r t e r 2 0 1 2 Study Title Analysis of Perfluorooctane Sulfonate (PFOS), Perfluorohexane Sulfonate (PFHS) and Perfluorobutane Sulfonate (PFBS) in Groundwater, Soil and Sedim ent for the 3M Decatur Phase 3 Site-Related Monitoring Program Data Requirement EPA TSC A Good Laboratory Practice Standards 40 CFR Part 792 Study Director Jaisim ha Kesari P.E., DEE W eston S olutions, Inc. 1400 W eston W ay W est Chester, PA 19380 Phone: 610-701-3761 A u th o r Susan W olf 3M Environm ental Laboratory Interim Report Completion Date Date of signing Performing Laboratory 3M Environmental Health and Safety Operations Environmental Laboratory 3M Center, Bldg 260-05-N-17 St.

SERGB. 00*005 67S PcWEPS S.

CXR Biosciences Ltd.

fJ CAINE NO. 2000-05-1%2-C ROBERT HENRY VILLARREAL.

The following personnel from Exygen Research were associated with various phases of this interim portion of the study: Name John Flaherty Karen Risha Paul Connolly Christine Edwards Mark Ammerman Amy Sheehan Brittany Kravets Scott Crain Frances Crespi Devon Ingram Christa Gallant Title Vice President Scientist Technical Lead-LC/MS Technician Sample Custodian Associate Scientist Technician Technician Technician Technician Technician Exygen Research Page 6 o f 110 Interim Report #23 - Analysis o f Sediment Samples Exygen Study No. : P0001131 TABLE OF CONTENTS Page TITLE PAGE.......................................................................................................................1 GOOD LABORATORY PRACTICE COMPLIANCE STATEMENT............................. 2 QUALITY ASSURANCE STATEMENT..........................................................................3 CERTIFICATION OF AUTHENTICITY.......................................................................... 4 STUDY IDENTIFICATION................................................................................................5 PROJECT PERSONNEL.....................................................................................................6 TABLE OF CONTENTS.....................................................................................................7 LIST OF TABLES...............................................................................................................8 LIST OF FIGURES..............................................................................................................9 LIST OF APPENDICES....................................................................................................10 1.0 SUMMARY................................................................................................................11 2.0 OBJECTIVE...............................................................................................................11 3.0 INTRODUCTION.......................................................................................................11 4.0 ANALYTICAL TEST SAMPLES........................................................................... 12 5.0 REFERENCE MATERIAL........................................................................................12 6.0 DESCRIPTION OF ANALYTICAL METHOD........................................................ 13 6.1.

INTERIM REPORT #25 - Analysis of Ground Water Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE November 22,2006 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone:814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

AR226-3168 TRADE SECRET Study Title H-24267: Two-Week Inhalation Toxicity Study in Male Rats Laboratory Project ID: DuPont-4292 AUTHOR: David P.

mi CAUSE NO. 2000-05-1962-C ' ~ I nig, ROBERT HENRY VILLARREAL