ROUTING AND TRANSMITTAL SLIP Date TO: (Name, office symbol, room number' 4. 5. File Note lind Return For Clearance Per Conversation For Correction Prepare Reply For Your Information See Me Investigate. ignature Justify hA-V.f!.: 6~en. .~ FROM: (Nam8l1..j)jrg.,.,<l:vrtfl"" *U.SG" ". PO"199'3'""~ 342-198180007 . UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION III 1650 Arch Street Philadelphia, Pennsylvania 19103-2029 DATE: Department of the US Air Force Kenneth R.Rizer, Colonel th ' Commander, 11 Wing MAY 1 7 2011 1535 Command Drive " Suite A-B 203 , lointBase Andrews, MD 20762 RE: 2010 (Revised March 2011) Five-Year Review Joint Base Andrews (Previously Andrews Air Force Base) Clinton, Maryland Dear Colonel Rizer: , , , Thank you for submitting the report, entitled First Five-Year Review Joint Base Andrews NavalAir Facility Washington, NFA8903-08-D-8775, Delivery Order 52, November 2010 (Revised March 2011) to the EPA for review and concurrence. The report was prepared to address the Comprehensive Environmental" Response, Compensation and ,Liability Act (CERCLA) Section 121 (c) five-year review requirements. ·EPA has reviewed this five-year review report and found it consistent with EPA's June 2001 guidance document, Comprehensive Five Year Review Guidance (OSWERNo. 9355.7-03B-P, EPA 540-R-OI-007). EPA concurs with the US Air Force's determination that the remedies for FT-04,ST-IO~ and ST-14are protective of human health and the environment. In addition, Site 23 had a no action record of decision (ROD) and is protective. Furthermore, as part of this five-year review, EPA has evaluated the Government Performance and Results Act (GPRA) measures for this site and has determined their status is as follows: Environmental Indicators l.Human Health: Current Exposure Controlled , Groundwater Migration:' Groundwater' Migration Is Under Control, specifically for LF;.05 Leroy's Lane Landfill. ,The remedy was being implemented when the Five­ Year Review, was written. There is no completed pathway for human, health and/or the environment. The remedy at LF-05 is anticipated to be complete in 2011 with issua'1ce ofa remedial action completion report (RACR)/or the landfillcapandan interim rem~dial action completion report (IRACR) for groundwater. " {) Printed on 100% recycled/recyclable paper with 100% post-consumer fiber and process chlorine/ree. , Customer Service Hotline: 1-800-438-2474 .Sitewide Ready for Anticipated Use Joint Base Andrews is Site-Wide Ready for Anticipated Use. The requirement for this five-year review at Joint Base Andrews (formerly Andrews Air Force Base) was triggered by the Remedial Action start date and ROD date of November 22, 2005 at FT..:04. The next five-year review is due five years from the original due date and is due November 22,2015. If you have any questions, please contact Ben Mykijewycz, Chief of the NPLIBRAC Federal Facilities Branch at 215-814-3351 or S Andrew Sochanskiat (215) 814-3370 or at [email protected]. cc: S Andrew Sochanski (3HS11) Rick Grills,MDE W AS/EERP William Burris, Chief, ER JBA o .Printed on 100% recycled/recyclable paperwitll 100% post-consumer fiber and process clllorine free. Customer Se,y;ce Hotline: 1-800-438-2474 FIRST FIVE-YEAR REVIEW JOINT BASE ANDREWS NAVAL AIR FACILITY WASHINGTON Prepared for:- The Air Force Center for Engineering and the Environment Contract No. FA8903-08-D-8775 Delivery Order 52 Prepared by: IlMACTEC MACTEC Engineering and Consulting, Inc. Portland, Maine November 2010 (Revised March 2011) FIRST FIVE-YEAR REVIEW JOINT BASE ANDREWS . NAVAL AIR FACILITY WASHINGTON United States Air Force Prepared for: The Air Force Center for Engineering and the Environment Contract No. FAS903-0S-D-S775 Delivery Order 52 Prepared by: ,MACTEC MACTEC Engineering and Consulting, Inc. Portland, Maine November 2010 (Revised March 2011) • • FIRST FIVE-YEAR REVIEW JOINT BASE ANDREWS NAVAL AIR FACILITY WASHINGTON PreparedJor: The Air Force Center for Engineering and the Environment Contract No. F A8903-08-D-8775 Delivery Order 52 Prepared by: MACTEC Engineering and Consulting, Inc. Portland, Maine November 2010 (Revised March 2011) . S;nley.W.Rccd· .. - Principal Engineer MACTEC Engineering & Consulting, Inc. Joint Base Andrews - First Five-Year Review November 2010 MACTEC Engineering and Consulting, Inc. Project Number 3350092494 (Revised March 2011) , TABLE OF CONTENTS LIST OF FIGURES ....................................................................................................................... viii • LIST OF TABLES ...........................................................................................................................ix LIST OF APPENDICES.....................................................•.............................................................x LIST OF ACRONYMS AND ABBREVIATIONS ..................................................................· ..... xi 1.0 INTRODUCTION ...............................................................................................................1 1.1 PURPOSE AND SCOPE ................................................................................................... 1 1.2 JOINT BASE ANDREWS HISTORY AND DESCRIPTION .......................................... 2 1.2.1 History................................................................................................................. :........... 2 1.2.2 Topography ................... : ................................................................................................... 4 1.2.3 ·Climate .................................................. ,......................................................................... 4 1.2.4 Soil and Drainage ............................................................................................................. 5 1.2.5 Geology ............................................................................................................................ 5 1.2.6 Groundwater.................................................................................................................... 6 1.2.7 Current and Anticipated Future Land Use ............................................................... ~ ...... 6 1.3 REFERENCES .................................................. , ................................................ ,............... 8 2.0 FT-04 FIVE-YEAR REVIEW ............................................................................................9 2.1 FT-04 DESCRIPTION AND CHRONOLOGY.......................... : ...................................... 9 2~2 FT-04 BACKGROUND ................................................................................................... 10 2.2.1 Physical Characteristics ........................................................................................... ~ .... 10 2.2.2 Land and Resource Use ............. : ............................ ,...................................................... 11 .2.2.3 History of Contamination....................................................... ~ ...................................... 11 2.2.4 Initial Response ....................... , .............................................................. , ...................... 13 2.2:5 Basis for Taking Action ................................................................................................ 16 • 2.3 FT-04 REMEDIAL ACTIONS ..................................................................... :.................. 16 2.3.1 Remedial Action Objectives ......................................................................................... 17 2.3.2 The Selected Remedy ...................................... ·........................... ;.................................. 17 2.3.3 Remedy Implementation .................. , ............. ;............................................................... 21 2.3.4 System Operations/Operation and Maintenance ........................................................... 22 2.4 FT-04 PROGRESS SINCE FIRST FIVE-YEAR REVIEW ............................................ 22 2.5 FT-04 FIVE-YEAR REVIEW PROCESS ....................................................................... 22 2.5.1 Community Involvement ............................................................................ ,................... 22 2.5.2 Document Review ........................................................................................................... 22 2.5.3 Applicable or Relevant and Appropriate Requirement Review .......... , ......................... 23 2.5.4 Data Review .................................................................................................................. 23 2.5.5 Site Inspection ............................................................................. , ............. :.................... 27 2.5.6 Interviews ........................................................................................................... :............ 27 2.6 FT-04 TECHNICAL ASSESSMENT .............................................................................. 28 2.6.1 Question A: Is the remedy functioning as intended by the decision documents? ......... 28 2.6.2 Question B: Are the exposure assumptions, toxicity data, cleanup levels, and RAOs used at the time of the remedy still valid? ......................................................... , 30 2.6:3 Question C: Has any other information come to lightthat could call into question the protectiveness of the remedy? ..................................................................