GLP10-01-02; Interim Report 24 Analysis of PFBS, PFHS, and PFOS in Groundwater Decatur, AL - December 2011 GLP10-01-02: Interim Report 24 - Analysis o f PFBS, PFHS, and PFOS in Groundwater Samples Collected at the Former Sludge Incorporation Area (FSIA) located in Decatur, AL.

f y i - o r o o - /3 7 < f Attachments to Letter to C.

PFOA: Lactational and Placental Transport Pharmacokinetic Study in Rats DuPont-13309 #22kr 1 5 5 1 \ TRAD^S^CRET oH*v> ' - < t ' 4 ( /. j'C-1 ,.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 5 In the Matter of: Carmeuse Lime, Inc.

Technical Lead-LC/MS Technician r Sample Custodian Associate Scientist Technician Technician Technician Technician > Technician , , Exygen Research P ageof 110 P-7 Interim Report 023 - Analysis of Sediment Samples Exygeh Study No.: P0001131 table of contents Page TITLE PA G E..................... 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..............................................................

GLP10-01-02.

f y i - o r o o - /3 7 < f Attachments to Letter to C.

G LP10-01-02; Interim Report 17 Analysis of P FBS, P FH S , and P FO S in Groundwater 1st Quarter Sampling - 2011 GLP10-01-02: Interim Report 17 - Analysis of PFBS.

PFOA: Lactational and Placental Transport Pharmacokinetic Study in Rats DuPont-13309 A#22kr1551 X.

GLP10-01-02.

GLP10-01-02; Interim Report 37 - Analysis of PFBS, PFHS, and PFOS in Water Samples Collected at the Former Bert Jeffries Property in Decatur, AL - October 2012 Study Title Analysis of Perfluorooctane Sulfonate (PFOS), Perfluorohexane Sulfonate (PFHS) and Perfluorobutane Sulfonate (PFBS) in Groundwater, Soil and Sediment for the 3M Decatur Phase 3 Site-Related Monitoring Program Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR Part 792 Study Director Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 P hone:610-701-3761 Author Susan W olf 3M Environmental 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.

3M GLP10-01-02; Interim Report 09 Analysis of PFBS, PFHS, and PFOS In Groundwater Quarterly Groundwater Sampling - Sept 2010 GLP10-01-02: Interim Report 09 - Analysis of PFBS, PFHS. and PFOS in Ground Water Samples Collected from Decatur.

FILE NAME: Mine Safety Appliances (MSA) DATE: 2006 Mar 17 DOC#: MSA020 DOCUMENT DESCRIPTION: Legal - Deposition of Charles J.

GLP10-01-02.

3M GLP10-01-02; Interim Report 09 Analysis of PFBS, PFHS, and PFOS In Groundwater Quarterly Groundwater Sampling - Sept 2010 GLP10-01-02: Interim Report 09 - Analysis of PFBS, PFHS. and PFOS in Ground Water Samples Collected from Decatur.