POLYVINYL CHLORIDE TRAINING MANUAL September 1991 Aberdeen Plant Aberdeen Plant Production Units t1 f i }f r t.

ABD00039228 POND 2 CLOSURE REPORT CONDEA Vista Company Aberdeen, Mississippi January 1998 Woodward-Clyde Diamond Group Woodward-Clyde Diamond Group 140 Cypress Station Drive Suite 140 Houston, Texas 77090 ABD00039229 CONTENTS January 1998 Project No. 4041-01 Page i 1.0 INTRODUCTION................................................................................................................... 1 2.0 CLOSURE ACTIVITIES........................................................................................................2 2.1 Recycling of Recoverable PVC................................................................................... 2 2.1.1 Removal and Stockpiling of Previous Fill Dirt........................................... 2 2.1.2 Sale and Shipment of Off-specification PVC Resin....................................2 2.2 Characterization of Remaining Material.....................................................................2 2.2.1 Vibracore Sampling in Pond 2 (June 1996)...................................................2 2.2.2 Risk-based Target Clean-up Levels of DEHP............................................. 4 2.2.3 Characterization of Stockpiled Soils (April 1997)........................................ 6 2.2.4 TCLP Analysis of PVC Resin (for Metals and VOX) (May 1997)............. 7 2.3 Excavation of Remaining PVC Resin.........................................................................8 2.4 Confirmatory Sampling...............................................................................................9 2.4.1 Summary of Sampling and Analysis Plan..................................................... 9 2.4.2 Results.............................................................................................................. 9 2.5 Backfill of Excavation...............................................................................................11 2.6 Installation of Clay Cap.............................................................................................11 2.7 Topsoil Placement and Seeding................................................................................ 11 2.8 Stormwater Ditch Construction................................................................................ 11 2.9 Final Survey............................................................................................................... 12 3.0 SITE INSPECTION............................................................................................................... 13 4.0 POST-CLOSURE CARE...................................................................................................... 14 5.0 CLOSURE CERTIFICATION..............................................................................................15 6.0 REFERENCES.......................................................................................................................16 G:\VistVib\4O4l-0l\npdes.doc Woodward-Clyde Diamond Group Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 ABD00039230 CONTENTS (CONTINUED) January 1998 Project No. 4041 -01 Page ii FIGURES Site Map Vibracore Characterization Sample Locations Confirmatory Grab Sample Locations Confirmatory Sampling Results As-Built Grading Plan of Pond 2 Closure (showing slope and drainage features) As-Built Details of Closure (cross-section of unit) Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 TABLES June 1996 Preliminary Waste Characterization Results - Metals & Phthalates June 1996 Preliminary Waste Characterization Results - Volatiles Risk-based Screening of Pond 2 Analytical Results April 1997 Stockpile Samples for Total Metals, Semivolatiles, and Volatiles May 7,1997, Bottom, Sidewall, and Stockpile Sample Results for TCLP Metals May 29,1997, Bottom Sludge Sample Results for TCLP Volatiles July 1997 Pond 2 Confirmatory Sampling Results for Bottom and Sides of Excavation APPENDICES Appendix A Analytical Data from Characterization Sampling Appendix B Analytical Data from Stockpile and TCLP Sampling Appendix C Analytical Data from Confirmatory Sampling Appendix D Geotechnical Analysis of Backfill and Cap Materials Appendix E Results of Field Compaction Tests Appendix F Daily Field Reports Appendix G Project Correspondence (DuPont/CONDEA Vista/MDEQ) CAVItU-lbWO41-0l\npdes.doc Woodward-Clyde Diamond Group ABD00039231 SECTION 1.0 ABD00039232 l.0 INTRODUCTION January 1998 Project No. 4041-01 Page 1 The National Pollutant Discharge Elimination System (NPDES)-permitted wastewater treatment pond (Pond 2) was used as a settling pond by Conoco from 1973 to 1984 at CONDEA Vista Company, Aberdeen, Mississippi, Chemical Plant.

TO: FROM: RE: CHEMICAL MANUFACTURERS ASSOCIATION Interoffice Memo June 27,1997 A.

FEB-27-97 THU 02:09 PM HUNTINGDON LIFE SCIENCES FftX NO. 906 873 3992 P,01/18 TOTAL NUMBER OF PAGES INCLUDING THIS PAGE: IB Huntingdon Life Sciences If this transmission is unsatisfactory please contact us by telephone at (908) 873-2550.

Filters): Department = CHEMSTAR Division * VCH Department Division CHEMSTAR VCH File Field 1 AEI A?

WRITTEN BY: MJF DATE: 12/12/91 4n-> NOTE: THIS CHECKLIST MUST BE FILLED OUT COMPLETELY AND TURNED INTO SUPERVISION EACH TIME THE LINE IS CLEARED.

Contract bewe n TE-II Operations and Plant 'B' Shipping F br^ary 19, 1991 This internal contract is intended to help each unit communicate effectively with the other, in order to minimize product waste, eliminate churn, and serve PF'G's customers effectively.

CHEMICAL MANUFACTURERS ASSOCIATION Vinyl Chloride Panel Research Coordinators Record of Meeting ^, o' 0*4 Ja W, DATE: TIME: February 14, 1994 10:00 a.m. - 2:00 p.m.

California Environmental Protection Agency OFFICE OF ENVIRONMENTAL HEALTH HAZARD ASSESSMENT December 14, 1995 State of California Pete Wilson, Governor Dear Interested Party: Enclosed is a copy of the Office of Environmental Health Hazard Assessment's report, "Draft Addendum Health Risk Assessment of Ambient Fugitive Vinyl Chloride Emissions From the Class I Unit of the B.K.K.

Detailed Explanation of 1994-1995 Proposed Activities 1) Epidemiology Study Update Contractor Cost: CMA conducted an epidemiology study of vinyl chloride workers from 1942-1972.

MAR-23-1995 11:33 CHEMSTAR 2028875427 202 887 5427 P.005 PERMISSION TO RELEASE DEATH CERTIFICATES FOR AN EPIDEMIOLOGY STUDY State of Mississippi This document is intended to grant permission to ENSR Health Sciences.

CHEMICAL MANUFACTURERS ASSOCIATION October 1, 1992 TO: Existing Chemicals Testing Task Group SUBJECT: "influence of CBI Requirements on TSCA Implementation" by Hampshire Research Associates, Inc.

Support Document For The CERCLA 104 Priority List Of Hazardous Substances That Will Be The Subject Of Toxicological Profiles Agency for Toxic Substances and Disease Registry U.S.

CHEMICAL MANUFACTURERS ASSOCIATION OFFICE OF THE PRESIDENT, MEMBER SERVICES AND MEETINGS AND CONVENTIONS Approved Fiscal Year 1995/96 Budget CMA 054421 CHEMICAL MANUFACTURERS ASSOCIATION COMMENTS ON OFFICE OF THE PRESIDENT, MEMBER SERVICES AND MEETINGS AND CONVENTIONS GENERAL COMMENTS AND BACKGROUND: The section on the opposite page reflects the combination ofthe reorganized Office of the President, the new Member Services function and the Meetings and Conventions Division.

Waste Material Data Sheet GENERAL INFORMATION- ENSCO CLIENT Invoice Address Cert Address fiff N/AD Contact________ Customer Name Address_______ yJ.Hrs*>r*-* City ___ State__________ Zip.