GOVERNMENT OF THE DISTRICT OF COLUMBIA DISTRICT DEPARTMENT OF THE ENVIRONMENT, UNDERGROUND STORAGE TANK BRANCH

LIST OF FEDERALLY REGULATED OPEN LUST CASES (PETROLEUM CONTAMINATED SITES - NOT HEATING OIL) AS OF APRIL 2015 ENTRY FACILITY NOTIFICATION MEDIA OF # DATE CASE # ID WARD COMPANY NAME FACILITY TYPE SITE ADDRESS # OF USTs DATE CONTAMINATION Residential Square 1 9/23/2011 2E+06 9-000401 6 Archstone 713, Lot 50 100 K St, NE 1 9/22/2011 Soil/GW Srours Florida Ave 18: 15 removed, 3 2 3/12/2014 2E+06 5-000510 5 LLC/Former Hessick Oil Commercial 1124-26 Florida Ave abandoned in place 3/12/2014 Soil/GW 3 3/26/2015 2E+06 0-000000 6 Central Armature Works Commercial 1200 3rd Street NE Unknown 3/30/2015 Soil/GW 10/17/201 4 4 2E+06 8-004831 8 1230 Sumner Rd Res/Comm 1230 Sumner Road SE Removed 2 10/17/2014 Soil/GW 5 12/4/2014 2E+06 0-000000 5 1249 Bladensburg Rd LLC Vacant Land 1249 Bladensburg Road NE 0 11/4/2014 Soil 6 8/20/1998 98097 2-000617 6 DC DPW Fleet Management DPW 125 O Street, SE 1 8/20/1998 Soil/GW 7 8/7/2012 2E+06 9-000146 5 1301 Bladensburg LLC Gas Station 1301 Bladensburg Rd NE 3 8/7/2012 Soil/GW 8 1/16/2014 2E+06 5-003497 5 Department of General Service Educational 1301 New Jersey Ave NW 1 12/24/2013 Soil/GW ABC 14th Street Associates 9 8/8/2014 2E+06 0-000000 1 JBG Rosenfled Retail Commercial 1306-1324 U Street NW 0 6/28/2014 Soil/GW 10 10/8/2014 2E+06 4-000237 4 Verizon Washington DC Inc. Commercial 1350 Buchanan Street NW Removed 4 9/3/2014 Soil 11 8/8/2012 2E+06 1-000727 1 Patricia Yuen Life Insurance Gas Station 1400 W Street NW 5 8/7/2012 Soil/GW Chevron Environmental 12 3/26/2015 2E+06 0-000000 6 Management Commercial 1401 Pwnnsylvania Ave SE 0 3/25/2015 Soil/GW CS Master V., LLC & CS 13 3/14/2011 2E+06 2-000747 6 Office Four, LLC. Commercial 150 M St. , NE 17 3/11/2011 Soil 14 1/9/2014 2E+06 -000000 6 Exxon Commercial 1500 Pennsylvania Ave unknown 1/12/2014 Soil/GW Industrial Former Fuel 1601 South Capitol Street 15 4/4/2013 2E+06 0-000000 6 Opportunity Concrete Termina Southwest multiple 3/21/2013 Soil/GW 16 6/1/2005 2E+06 2-000066 6 Douglas Development Commercial 1620 South Capitol St 11 6/1/2005 Soil/GW 17 3/6/1991 91025 1-000595 1 DPW DC Govt 1620 V Street, NW 1 3/6/1991 Soil/GW Industrial former fuel 1625 South Capitol Street 18 4/4/2013 2E+06 2-004778 6 1625 South Capitol Street LLC termina Southwest multiple 3/28/2013 Soil/GW 19 4/28/1992 92048 2-000712 6 17 M St. LLC/WMATA Other 17 M Street, SE 1 4/28/1992 Soil/GW 20 9/23/1987 87012 2-000640 6 Steuart Petroleum Former fuel termial 1721 S. Capitol Street, SW 1 9/23/1987 Soil/GW 21 3/19/2015 2E+06 2-000048 2 Atalantic Richfield Commercial 1740 14th St 4 3/19/2015 Soil/GW 22 12/6/1994 95015 2-004505 6 Home Moving & Storage Other 1812 Half St., SW 1 12/6/1994 Soil/GW 23 3/20/2014 2E+06 5-005272 5 Former IBM Facility Industrial 1818 New York Avenue 2 3/20/2014 Soil/GW 24 2/11/1993 93048 1-000209 1 Chevron Gas Station 1827 Adams Mill Rd, NW 1 2/11/1993 Soil/GW 25 1/23/1997 97035 6-000600 6 DC Jail -Dept of Corrections DC Govt 1901 D Street., SE 1 1/23/1997 Soil/GW 26 4/20/1992 92046 5-004909 5 DPW Property - 1905 W.VA DC Govt 1905 W. , NE 1 4/20/1992 Soil/GW DC Dept of Public Works- DC 27 8/29/2007 2E+06 8-001195 8 Village DC Government 2 DC Vilage Lane, SW DC 1 8/28/2007 Soil/GW 28 4/17/1992 92045 5-000639 5 DPW Property - 2019 W.VA. DC Govt 2019 W. Virginia Avenue, NE 1 4/17/1992 Soil/GW CK MRP Washington Gateway- 29 3/16/2011 2E+06 2-000771 5 Phase 3-South Office Commercial 202 Florida Ave, NE 0 2/11/2011 Soil/GW 12/29/200 30 3 2E+06 2-000071 2 CBS, Inc. Commercial 2020 M Street 1 12/29/2003 Soil 31 12/2/2005 2E+06 0-000000 6 21 L, LLC Other 21 L Street, SW 0 12/2/2005 Soil/GW 12/11/201 32 4 2E+06 -300531 3 Georgetown Holiday inn Res/Comm 2100 0 12/10/2014 Soil/GW 12/16/200 33 9 2E+06 1-000834 1 Howard University Commercial 2112 Georgia Av 0 12/11/2009 Soil 212 M Street, SE (AKA Case 34 8/6/1990 90075 2-000657 6 Shell Gas Station 93085 on reports) 3 8/6/1990 Soil/GW 35 2/15/2007 2E+06 1-000832 1 Howard University Commercial 2146 Georgia Av 2 2/13/2007 Soil/GW 36 8/8/2012 2E+06 5-000162 5 22 Florida Ave NW LP Gas Station 22 Florida Ave NW 5 8/7/2012 Soil/GW 12/22/201 37 1 2E+06 2-000197 2 Chevron/Sunoco Gas Station 2200 5 12/26/2011 Soil/GW 38 4/4/2002 2E+06 9-000052 1 Albert Carry Properties Commercial 2221 14th Street, NW 7 4/5/2002 Soil Wendy's Restaurant (JPI 39 5/4/2007 2E+06 0-000000 6 Develoment ) Commercial 23 I street & 901 half Street, S.E 0 4/9/2007 Soil/GW 40 6/7/2012 2E+06 2-000589 2 Eastbanc, Inc Res/Comm 2301 L Street, 1 6/7/2012 Soil 2315 LLC (Former Ice Cream 41 2/11/2015 2E+06 0-000000 5 Warehouse) Commercial 2315 Bladensburg Road NE 0 1/8/2015 Soil 42 6/20/1996 96074 1-000067 1 2329 Champlain St L.P. Other 2329 Champlain Street., NW 1 6/20/1996 Soil/GW 43 4/1/2015 2E+06 9-000614 1 BP Residential 2337 Champlain St NW 0 3/30/2015 Soil/GW Nehimiah Co-operative/Carson 44 4/5/1994 94046 1-005578 1 prop. Residential 2419 14th Street, NW 1 4/5/1994 Soil/GW 45 3/26/2015 2E+06 3-000016 3 Mid Atlantic Properties LLC Commercial 2450 Wisconsin Avenue NW 5 3/10/2015 Soil/GW 46 5/29/1990 90058 8-002112 8 DC Metro Police, 7th Dist. DC Govt - other 2455 Alabama Avenue, SE 1 5/29/1990 Soil/GW Anacostia Realty, LLC (Post 47 3/6/2009 2E+06 6-000359 7 June 16 2009). Commercial 2651 Benning Rd. 0 3/6/2009 soil/GW 10/28/201 48 4 2E+06 6-000243 7 Skyland Shopping Center Gas Station 2700 Good Hope Rd. 0 4/10/2014 Soil/GW 49 8/5/1997 97082 2-000356 2 Exxon - Anacostia Realty, LLC Gas Station 2708 Virginia Avenue., NW 1 8/5/1997 Soil 50 5/7/1990 90050 5-000211 5 Former Chevron Facility Gas Station 2800 12th Street, NE 1 5/7/1990 Soil/GW 51 5/30/2014 2E+06 7-000065 7 BP/AMOCo Gas Station 2801 Alabama Avenue 3 5/30/2014 Soil/GW 12/22/201 Commercial Shopping 52 4 2E+06 0-000000 7 District of Columbia - Center 2818 Alabama Ave 1 12/17/2014 Soil 53 6/13/1996 96097 2-000216 6 Southeast Fed. Cntr. Block H Federal 2nd & M Street, SE 1 6/13/1996 Soil/GW 54 9/9/1993 93095 2-000217 6 Southeast Fed. Cntr. BLDG Federal 2nd & M Sts, SE 1 9/9/1993 SOIL 12/29/201 55 4 2E+06 1-000106 5 BP Gas Station 306 Rhode Island Avenue 5 12/16/2014 Soil and GW 56 3/18/1997 97075 5-000329 5 Exxon Gas Station 3103 Rhode Island Avenue NE 1 3/18/1997 Soil/GW 12/30/199 57 6 97030 2-000015 6 Amoco Gas Station 330 M St., NE 1 12/30/1996 Soil/GW 58 6/6/2013 2E+06 0-000000 1 3321 Georgia LLC Former Gas Station 3335 0 5/28/2013 Soil/GW 59 10/8/2014 2E+06 5-000680 5 Chevron Commercial 340 Florida Ave NE Removed 10/8/2014 Soil/GW 10/11/199 3450 Massachusetts Avenue., 60 1 92005 3-000544 3 Naval Observatory, Bldg #64 Federal NW 1 10/11/1991 Soil/GW 3670 ., 61 9/21/1994 94080 4-005404 4 WMATA Other NW 1 9/21/1994 Soil/GW 12/12/200 62 1 2E+06 8-000052 8 Bolling AFB FED Govt 370 Brookley Avenue., SW 3 12/7/2001 Soil 63 1/10/2002 2E+06 5-003757 5 Amoco Gas Station 3701 12th Street, NE 4 1/10/2002 GW Yee Yeung (Lowest Price); now Velero (Landmark Petroleum 64 8/8/2012 2E+06 7-000267 7 Suppliers) Gas Station 3710 Minnesota Ave NE 3 8/7/2012 Soil/GW 65 3/3/1995 95039 7-000200 7 Former Chevron Current Gas Station 3820 Minnesota Avenue., NE 1 3/1/1995 Soil/GW Former Amoco/BP (Atlantic 66 1/17/1990 90029 7-002286 7 Richfield Co) Current SHELL Gas Station 3830 Minnesota Ave, SE 1 1/17/1990 Soil/GW 12/29/200 67 8 2E+06 0-000000 7 Shop Express / Prev Chevron Commercial 3900 & 3908 Benning Rd. 0 12/29/2008 Soil/GW 68 6/19/2002 2E+06 3-000045 3 Federal National Mortgage Commercial 3900 Wisconsin Ave., NW 2 6/18/2002 Soil 3900/4000 Cathedral Avenue., 69 9/29/1998 99050 3-000703 3 The Westchester Residential NW 1 9/29/1998 Soil 12/13/199 70 3 94025 8-001195 8 DC Village DC Govt 4 DC Village Lane, SW 1 12/13/1993 Soil/GW 71 7/9/2013 2E+06 6-004522 6 Goodeon Kingston LLC Former Gas station 401 - 403 15th St SE 4 7/1/2013 Soil/GW 72 4/12/1990 90047 5-000150 5 Steuart Petro - Frmr. BP Oil Salt Dome Facility for 401 Farragut Street, NE 1 4/12/1990 Soil 73 1/24/2000 2E+06 4-000650 4 Shell Gas Station 4140 Georgia Avenue, NW 4 1/24/2000 Soil/GW 74 8/10/2012 2E+06 2-000249 6 Quality Auto Service Inc Gas Station 420 Rhode Ave 7 8/7/2012 Soil/GW 12/15/201 75 1 2E+06 7-000096 7 Benning Station, LLC Gas Station (previous) 4430 NE 6 12/14/2011 Soil/GW 76 8/10/2012 2E+06 7-000208 7 Power Fuel & Transport LLC Gas Station 4519 Benning Rd 1 8/7/2012 Soil/GW 77 11/8/1999 2E+06 8-000307 8 DCFD Training Academy DC Govt 4600 Shepard Pkwy, SW 5 11/8/1999 Soil 78 2/3/1989 89018 4-000709 4 WMATA Other 4615 14th Street, NW 1 2/3/1989 Soil/GW 4635 South Capitol St SW 79 11/5/2014 2E+06 0-000000 8 Sunoco - BrightFarms Location Commercial (Offsite) 0 11/5/2014 Soil/GW 11/21/200 80 0 2E+06 8-000590 8 DPW DC Govt 4665 Blue Plains, SW 1 11/21/2000 Soil/GW 81 6/7/2001 2E+06 8-000648 8 Shell Gas Station 4700 South Capitol Street, SE 3 6/7/2001 Soil/GW 82 2/10/2009 2E+06 3-000337 3 ExxonMobil Commercial 4812 Macarthur Boulevard NW 3 2/9/2009 Soil/GW Gas Station -previous 4854 Nannie Helen B. Avenue 83 6/3/1992 92075 7-000331 7 Zusin Development Exxon NE 1 6/3/1992 Soil

84 3/26/1993 93056 3-000202 3 Chevron Gas Station 4861 Massachusetts Avenue, NW 1 3/26/1993 Soil/GW 10/22/200 85 1 2E+06 4-000622 5 DC DPW DC Govt 4902 Bates Road, NE 1 10/16/2001 Soil/GW 86 2/2/1996 96020 5-000533 5 Hess Gas Station 500 , NE 5 2/2/1996 Soil/GW 87 8/20/1998 98099 8-005256 8 DPW Blue Plains Fuel Station DC Govt - School 5000 Overlook Avenue, SW 1 8/20/1998 UNKNOWN 88 1/3/2013 2E+06 7-000028 7 5010 Benning Associates, LLC Gas Station 5010 Benning Road SE 1 1/3/2013 Soil/GW 89 4/27/1994 94055 5-000068 5 Allen Mitchell & Co. Other 515 V Street, NE 1 4/27/1994 GW 11/16/200 90 7 2E+06 3-000008 3 5220 Wisconsin Avenue, LLC Commercial 5220 Wisconsin Avenue, 0 11/20/2007 Soil/GW 91 8/30/1988 88016 3-000711 3 WMATA Other 5230 Wisconsin Avenue, NW 1 8/30/1988 Soil/GW 92 8/10/2012 2E+06 4-000616 4 5420 New Hampshire Ave LLC Gas Station 5420 New Hampshire Ave 8 8/7/2012 Soil/GW 93 8/10/2012 2E+06 4-000344 4 Stevens Robert R Gas Station 5831 Georgia Avenue NW 7 8/7/2012 Soil/GW 94 9/13/2001 2E+06 9-999999 4 Chevron USA Products Co. Other 5854-94 Eastern Avenue, NE 0 3/23/2001 Soil/GW 95 3/18/1997 97055 8-000090 8 Former AOC Poplar Point Federal 600 Howard Rd., SW 1 3/18/1997 Soil/GW 600, 610-614, 618-622 H St 96 1/20/2012 2E+06 2-003989 6 Ourisman Chevrolet Industrial (incd. 5 properties) 1 1/20/2012 Soil/GW 97 7/2/2014 2E+06 2-002604 6 Former Texaco (Parking Lot) Gas Station 601 and 625 K St 0 3/1/2014 Soil 98 7/2/2014 2E+06 0-000280 6 Former Texaco (Parking Lot) Gas Station 601 New York Ave 0 3/1/2014 Soil 11/25/199 Former Rinaldi Coal Co. - 99 7 98013 5-000699 5 Warner Mgmt Co. Commercial 617 Rhode Island Avenue NE 1 11/25/1997 Soil/GW Ourisman Chevrolet/Apollo 100 5/29/2014 2E+06 2-003991 6 theatre (Fac ID# 2003990) Res/Comm 622 - 642 H Street unknown 5/28/2014 Soil 101 7/2/2014 2E+06 9-000122 6 Martin Boyd Spring Works Industrial (Vacant) 622-624 L St 0 3/1/2014 Soil 102 3/6/2012 2E+06 2-003982 6 625 H Street, NE Res PJV, Commercial 625 H Street, 3 3/6/2012 Soil/GW 103 3/27/2014 2E+06 0-000000 2 MR Gallery Square, LLC Commercial 627-631 H St unknown 3/11/2014 Soil 104 5/16/2006 2E+06 0-000000 8 Foremr Esso Gas Station Gas Station 631 Howard Road 0 5/16/2006 Soil/GW 12/12/198 105 9 90018 4-000078 4 Amoco Gas Station 6401 Georgia Avenue, NW 1 12/12/1989 Soil Greater Mt. Calvery Church 106 9/12/1997 97088 9-000216 5 Property Other 649 Rhode Island Avenue, NE 1 9/12/1997 Soil/GW Hoffman-Struever Waterfront, EISF Development 107 8/29/2012 2E+06 0-000000 6 LLC Commercial- 800 Maine Street, 0 8/28/2012 Soil/GW Sound car Auto Repair - New 108 6/1/2005 2E+06 -000000 6 development site Commercial 801 Virginia Avenue, SE 0 6/1/2005 Soil/GW 109 6/14/2001 2E+06 5-000082 5 Washington UD Truck Sales Commercial 818 Michigan Avenue, NE 18 6/14/2001 Soil/GW 110 1/5/1990 90014 6-000112 6 Amoco Gas Station 823 , SE 1 1/5/1990 Soil/GW 11/18/200 Lano/Armada Harbourside, 111 4 2E+06 0-000000 3 LLC Commercial 900 30th Street, 0 11/18/2004 Soil/GW 112 12/3/1993 94015 2-000558 6 Washington Navy Yard Bldg Federal 901 M Street., SE 1 12/3/1993 Soil/GW 113 2/9/1994 94048 1-000018 1 Amoco Gas Station 908 Florida Avenue., NW 1 2/9/1994 Soil/GW 114 8/10/2012 2E+06 4-000672 5 925 Brentwood Road NE Gas Station 925 Brentwood Road 5 8/7/2012 Soil/GW 115 9/27/1988 88017 2-000366 6 Exxon Gas Station 950 South Capitol Street, SE 1 9/27/1988 Soil CVS Property - Offsite SE from 116 1/30/2013 2E+06 4-001664 4 Former Chevron Facility Former Gas Station 235 Carroll St. NW 0 1/11/2012 Soil/GW 12/12/201 New York Ave/Bladensburg Rd/ 117 1 2E+06 0-000000 5 WV Urban Developments, LLC Commercial Montana Ave 0 12/12/2011 Soil/GW