Appendix a of the Hazardous Materials Technical Report
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HAZARDOUS MATERIALS TECHNICAL REPORT Appendix A: Sites of Concern Priority Ranking Table Priority Definition # of Sites Ranking 1 High Priority 65 2 Listed Site/Unknowns 22 3 Moderate/High Priority 83 4 Moderate Priority 34 Alternative 5: 147 5 Low Priority (Outside LOD) Alternatives 8, 9, 10, 13B, 13C: 145 Alternative 5:64 6 Low Priority (Inside LOD) Alternatives 8, 9, 10, 13B, 13C: 66 7 Not Included 86 Total Sites 501 Notes: 1. Each site has a unique number from 1 to 501. 2. Site numbering begins west to east along the I-495 corridor, then south to north along the I-270 corridor. 3. The map number corresponds to the mapping provided in Appendix B. MAY 2020 HAZARDOUS MATERIALS TECHNICAL REPORT Appendix A: Sites of Concern Priority Ranking Table Site App B Hazardous Materials Priority Section Site Name Address City Database Records & Field Observation Summary # Map # Investigation Area Ranks Records: UST. 1 I-495 West 1 Cooper Intermediate School 977 Balls Hill Rd McLean 2,800 feet southwest 7 Recon: Outside 1/4-mile buffer. US Naval Surface Warfare Center, Records: Orphan MD LRP site, unknown military research use. 2 I-495 West 1, 2 9500 MacArthur Blvd Bethesda 350 feet west 2 Carderock Taylor Testing Recon: No access. 3 I-495 West 1 Todd Schenk Residence 8521 Carlynn Dr Bethesda 2880 feet east Records: Closed heating oil UST. 5 4 I-495 West 1 Silvio Krvaric Residence 8505 River Rock Ter Bethesda 900 feet east Records: Closed heating oil UST. 5 5 I-495 West 1, 3 Eric Gilbertson Residence 6820 Carlynn Ct Bethesda 585 feet east Records: Closed heating oil UST. 5 6 I-495 West 1, 3 Sydney Hutchinson Residence 6910 Carlynn Ct Bethesda Adjacent to the east Records: Closed heating oil UST. 6 7 I-495 West 1, 3 Nilotpol Kundagrami Residence 6920 Carlynn Ct Bethesda Adjacent to the east Records: Closed heating oil UST. 6 8 I-495 West 1, 3 David Boucree Residence 8409 Carlynn Dr Bethesda 825 feet east Records: Open heating oil UST. 5 9 I-495 West 1, 3 Yanina Riedel Residence 8404 Carlynn Dr Bethesda 1,095 feet east Records: Closed heating oil UST. 5 10 I-495 West 1, 3 Mark Kushnir Residence 6718 Persimmon Tree Rd Bethesda 1,230 feet east Records: Closed heating oil UST. 5 11 I-495 West 3 Carderock Springs Elementary School 7401 Persimmon Tree Rd Bethesda Adjacent to the north Records: Closed heating oil UST. 6 12 I-495 West 3 James Worley Residence 8021 Thornley Ct Bethesda 400 feet north Records: Closed heating oil UST. 5 13 I-495 West 3 Donalds Park 7801 Seven Locks Rd Bethesda 75 feet west Records: Historical UST. 5 14 I-495 West 3 Tri State Stone Co. 8200 Seven Locks Rd Bethesda 695 feet west Records: Gasoline UST. 5 Records: MD OCPCASES – closed case, with release and cleanup, 02/1999; closed case, with no release or cleanup reported, 02/1994; closed case, commercial heating oil tank closure, with no release or cleanup reported, 02/1995; closed case, residential heating oil tank MCI Telecommunications closure, with no release or cleanup reported, 08/1995; closed case, with no release or 15 I-270 North 3 (Central Data Building), 11511 Fortune Ter Potomac 370 feet west cleanup reported, 02/1994. UST – one 15,000-gallon and 6,000-gallon diesel fuel tanks, and 5 US Department of Justice 3,000-gallon heating oil tank, permanently out of use. Historical UST – one 15,000-gallon diesel fuel tank, removed; one 6,000-gallon diesel fuel tank, in use. Recon: Low brick office building with a large parking lot. Two large heating oil USTs on south side of building, protected by concrete pad. Almost no staining on pavement. Records: Orphan EDR site. 16 I-495 West 3 River Quarry Residences 8205-8221 River Quarry Pl Bethesda Adjacent to the north 7 Recon: No indication of environmental impact. 17 I-495 West 3, 4 Robert Evans Residence 7612 Arrowood Rd Bethesda 600 feet east Records: Misidentified EDR dry cleaner. 7 18 I-495 West 3, 4 Cevon Wallace Residence 7613 Dwight Dr Bethesda Adjacent to the west Records: Open heating oil UST. 6 19 I-495 West 4 Jeffrey Sussman Residence 7627 Carteret Rd Bethesda 715 feet west Records: Closed dumping. 5 20 I-495 West 4 Kian Kaviani Residence 7324 Arrowood Rd Bethesda 585 feet east Records: Closed heating oil UST. 5 21 I-495 West 4 Bo Wang Residence 7327 Bradley Blvd Bethesda Adjacent to the east Records: Closed heating oil UST. 6 22 I-495 West 4 Torsak Rossaki Residence 7604 Barnum Rd Bethesda 750 feet west Records: Misidentified service station. 7 23 I-270 South 4, 23 Bethesda Country Club 7601 Bradley Blvd Bethesda Adjacent to the west Records: UST, Closed USTs, closed MDE LRP. 6 24 I-270 South 4, 23 Residence 7207 Thomas Branch Dr Bethesda 245 feet north Records: Closed OCP case. 5 25 I-495 West 4, 23 Yuxia Gao Residence 7208 Grubby Thicket Way Bethesda 380 feet east Records: Closed heating oil UST. 5 26 I-270 South 4, 23 Bhavya Lal Residence 7201 Grubby Thicket Way Bethesda 325 feet east Records: Closed heating oil UST. 5 27 I-270 South 4, 23 Howard Ruben Residence 7209 Greentree Rd Bethesda 345 feet east Records: Closed heating oil UST. 5 Records: AST, Closed heating oil UST. 28 I-495 West 4, 23 WMAL Radio Transmitter Site 7115 Greentree Rd Bethesda Adjacent to the north 6 Recon: AST in good condition with secondary protection. 29 I-495 West 4 Jim Chaloshteri Residence 9403 Fernwood Rd Bethesda 870 feet south Records: Closed heating oil UST. 5 30 I-495 West 4 Cathleen Enright Residence 9411 Fernwood Rd Bethesda 510 feet south Records: Closed heating oil UST. 5 MARCH 2020 DRAFT, PRE-DECISIONAL 1 HAZARDOUS MATERIALS TECHNICAL REPORT Site App B Hazardous Materials Priority Section Site Name Address City Database Records & Field Observation Summary # Map # Investigation Area Ranks 31 I-495 West 4 Michael Toman Residence 9317 Friars Rd Bethesda 595 feet south Records: Closed heating oil UST. 5 32 I-495 West 4 Patrice Caporossi Residence 9313 Friars Rd Bethesda 825 feet south Records: Closed heating oil UST. 5 33 I-495 West 4, 5 Vusizihlobo Nkosinathi Residence 9801 Singleton Dr Bethesda Adjacent to the south Records: Misidentified EDR service station. 7 Adjacent to the 34 I-495 West 5 St. Jane de Chantal Church 9701 Old Georgetown Rd Bethesda Records: Closed heating oil UST. 6 southeast 35 I-495 West 5 French International School 9600 Forest Rd Bethesda 315 feet south Records: Closed heating oil UST. 5 36 I-495 West 5, 24 Jahed Kouchak Residence 9904 Broad St Bethesda 1,025 feet north Records: Misidentified EDR dry cleaner. 7 37 I-495 West 5, 24 Whitley Park Condominium Assoc. 5400 Whitley Park Ter Bethesda Adjacent to the south Records: Heating oil UST. 6 38 I-495 West 5, 24 William Osborne Residence 10002 Fleming Ave Bethesda 1,025 northwest Records: Misidentified EDR dry cleaner. 7 39 I-495 West 5, 24 The Promenade Towers 5225 Pooks Hill Rd Bethesda Adjacent to the south Records: EDR dry cleaner, UST. 1 40 I-270 South 5, 24 Society of American Foresters 5400 Grovesnor Ln Rockville Adjacent to the west Records: UST, Closed OCP case. 6 41 I-270 South 5, 24 Avalon Apartments 10301 Grosvenor Pl Bethesda 165 feet east Records: Closed UST. 5 42 I-270 South 24 Grosvenor Park III Condos 10401 Grosvenor Pl Bethesda 630 feet northeast Records: Closed UST, UST. 5 43 I-270 South 5, 24 Grosvenor House Apartments 10201 Grosvenor Pl Bethesda 100 feet northeast Records: Closed UST. 5 44 I-495 West 5 Bethesda Marriott 5151 Pooks Hill Rd Bethesda Adjacent to the south Records: UST permanently out of service. 6 Records: Misidentified EDR Historical Cleaner – 1989-1993. 45 I-495 Center 5 Angela Hvitved Residence 4902 Asbury Ln Bethesda 400 feet south 7 Recon: Site is private residence with no noted concerns. Records: Misidentified EDR Historical Cleaner – 2005-2010. 46 I-495 Center 5 Sibe Bhattacharyya Residence 9703 Parkwood Dr Bethesda 700 feet northeast 7 Recon: Site is private residence with no noted concerns. Records: MD State Hazardous Waste Sites, unknown landfill areas, MDE LRP – mercury pool Walter Reed National Adjacent to the 47 I-495 Center 5, 6 8975 Wisconsin Ave Bethesda cleanup. 2 Military Medical Center southwest Recon: No access. Uniformed Services 48 I-495 Center 6 4301 Jones Bridge Rd Bethesda 50 feet south Records: Orphan site RCRA-LQG, manifests. 5 University of the Health Sciences 49 I-495 Center 6 St. Luke's House 6 Spring Hill Ct Chevy Chase 625 feet south Records: RCRA-NonGen. 7 50 I-495 Center 6 William Wallace Residence 9119 Le Velle Dr Chevy Chase 528 feet southeast Records: Closed dumping. 5 51 I-495 Center 6 Washington DC Temple 9900 Stoneybrook Dr Kensington 620 feet north Records: Closed heating oil UST. 5 52 I-495 Center 6 Residence 9711 Stoneybrook Dr Kensington 550 feet northwest Records: Closed heating oil UST. 5 Walter Reed Army Medical Center, 53 I-495 Center 6, 7 2460 Linden Ln Silver Spring 100 feet south Records: MDE historical landfills. 5 Forest Glen Annex Records: Former motor pool, Historical LUST, LRP and HWS. Associates in Cardiology / 54 I-495 Center 6 2900 Linden Ln Silver Spring Within the LOD Recon: Office building with no external activities or observable environmental concerns. No 2 former Walter Reed A.M.C. Motor Pool tanks were present.