USAFE CLEANUP PROGRAM UPDATE

1. USAFE CLEANUP PROGRAM UPDATE Mr. Willi Ningelgen HQ USAFE/A7CV

2. Overview • CLEANUP PROGRAM PHASES • THE VALIDATION PROCESS • CONCLUSIONS

3. USAFE Cleanup Program Phases • PHASE I DISCO • Identification of Suspected Contaminated Sites • PHASE II VALIDATION • Qualitative Threat Assessment/Review • PHASE III RISK ASSESSMENT • Quantitative Human Health Risk Assessment • PHASE IV REMEDIAL ACTION • Design and Remedial Action Project (s)

4. USAFE Cleanup Program Phases • PHASE I DISCO • Discovery (Identification) of Suspected (potentially) Contaminated Sites • CY 2003 ESTONIA CONFERENCE ! • PHASE II VALIDATION • Qualitative Threat Assessment/Review • Internal process

5. PHASE II VALIDATION • ACTUAL and POTENTIAL • ENDANGERMENTS to HUMAN HEALTH and SAFETY and/or THE OVERALL OPERATIONS/MISSION at the INSTALLATION • CONSIDERING THE CURRENT/FUTURE USE OF RESOURCES and • OFF BASE RELEASES • EXCELLENT SENIOR MANAGEMENT OVERSIGHT TOOL • PRIORITIZATION • DECISION -- ASSESS or CLOSE A SITE • PERFECT COST SAVINGS INSTRUMENT

6. CONTAMINANT ASSESSMENT • Source Analysis • Background Levels EXPOSURE ASSESSMENT • Route of Entry • Fate & Transport TOXICITY ASSESSMENT • Epidemiology • Animal Toxicity THREAT versus RISK ASSESSMENT QUANTITATIVE QUALITATIVE IMMI THREAT THREAT TO HUMAN HEALTH/SAFETY REGULATIONS/POLICY THREAT TO MISSION RISK COMMUNICATION HOST NATION CONCERNS INTERNATIONAL AGREEMENT POLITICS Judgment Science (Risk Assessment) PHASE II PHASE III

7. PHASE II VALIDATION WHO DOES IT ? • USUALLY the USAFE and INSTALLATION EXPERTS • TODAY: YOU !! WHAT DO WE NEED ? • DISCO results and a site survey • Experienced Engineers and Bioenvironmental Engineers • Common Sense

8. Contaminated & Suspected Contaminated Sites Map # 3012Asbestos Dump Site # 3011Former Navy AC Maintenance # 3009Refueling Truck Fill Stand # 3008LOX Plant # 3010Torpedo Maintenance Shop # 3006Refueling Maintenance # 3013Joint Use Hangar City Well # 3001Main Gate Area & Area 5 # 300718 Hydrants Area well # 3002Fire Training Pit Base Wells # 3004Military Service Station # 3003Main Power Plant # 30057 Hydrants Area

9. Contaminated Site Description

10. DISCO to VALIDATION DISCO LOCATION/CONTAMINANTS VALIDATION THREAT BLACK BOX FUEL SERVICE STATION

11. Office HAZMAT Storage SITE #3004 = BLACK BOX FUEL SERVICE STATION Underground Tanks Drain Pumps Washrack Pavement

12. VALIDATION PROCESS AIR SURFACE WATERS SOIL/SUBSOIL/ROCK WHAT TYPE OF EMISSIONS DID OR COULD HAVE LEFT THE BOX AND WHERE COULD THEY HAVE GONE TO OR WHERE ARE THEY ?

13. VALIDATION PROCESS • INHOUSE TEAMWORK CE and SGPB • LIMITED FIELDWORK AS REQUIRED • THREAT ASSESSMENT WORKSHEET …………>

14. USAFE THREAT ASSESSMENT

15. VALIDATION PROCESS Base Fence = 2nd Black Box SURROUNDING AREA Ditches Creek Water Supply Zone 1st BLACK BOX

16. USAFE THREAT ASSESSMENT

17. VALIDATION PROCESS CONCLUSIONS • DETERMINES POTENTIAL THREATS • SCOPES the MAGNITUDE of the CONTAMINATED SITE FOLLOW UP ACTION PROJECT • ALLOWS A PRIORITIZATION BETWEEN IDENTIFIED CONTAMINATED SITES • INHOUSE -- SAVES MONEY AND RESOURCES • EXCELLENT MANAGEMET OVERSIGHT TOOL • WHERE ARE WE – WHAT IS NEXT ! DECISION • RISK ASSESS THE SITE OR CLOSE THE SITE ?

18. USAFE CLEANUP PROGRAM NEXT STEP RISK ASSESSMENT (PHASE III)

19. RISK ASSESSMENT SCOPE POTENTIAL PATHWAY THREATS FUTURE PROJECT SCOPE DRILLING/WELL DEPTH

20. USAFE CLEANUP PROGRAM QUESTIONS ?