AECOM 2 Technology Park Drive Westford, Massachusetts 01886 978.589.3000 978.589.3100 tel fax January 15, 2010 The Honorable Thomas M. Menino City of Boston, Mayor's Office One City Hall Plaza Boston, Massachusetts 02201-2102 Re: Supplemental Phase II Comprehensive Site Assessment, Revised Phase III Remedial Alternatives Analysis, and Phase IV Remedy Implementation Plan MBTA Readville 5-Yard Site Release Tracking Number 3-2856 Dear Mayor Menino: AECOM, on behalf of the Massachusetts Bay Transportation Authority (MBTA), is hereby notifying your office that a Supplemental Phase II Comprehensive Site Assessment (Phase II), a Revised Phase III Remedial Alternatives Analysis (Phase III), and a Phase IV Remedy Implementation Plan (Phase IV RIP) have been submitted to the Massachusetts Department of Environmental Protection (DEP) for the Readville 5-Yard Site located on Industrial Drive, in Dedham and Boston, Massachusetts (the Site). Thls notification is provided in accordance with the public involvement requirements of the Massachusetts Contingency Plan (MCP), 310 CMR 40.1403. The purpose of this Phase IV RIP is to document engineering concepts and design criteria to be used for the design and construction for the Comprehensive Remedial Action based on commercial/industrial property end use. Secondary goals of this document are to present and analyze supplemental Site data in support of an updated risk characterization and Supplemental Phase II report, as well as to present a Revised Phase III report. The Phase IV RIP report containing the Supplemental Phase II and Revised Phase III reports and supporting documentation are on file and available for public review at DEP's Northeast Regional Office in Wilmington, Massachusetts, and at the two public repositories established in Dedham (Dedham Public Library, 45 Church Street) and Boston (Hyde Park Branch Library, 35 Harvard Avenue). Should you have any question, please contact our office at (978) 589-3000. Very truly yours, AECOM Elissa Brown, CPG, CHMM, LSP Senior Program Director cc: Debra M. Darby, Site Remediation Specialist, MBTA MA DEP Bureau of Waste Site Cleanup North East Regional Office Public Involvement Program (PIP) Repositories To enhance and sustain the world’s built, natural and social environments AECOM 2 Technology Park Drive Westford, Massachusetts 01886 978.589.3000 978.589.3100 tel fax January 15, 2010 The Honorable Barbara Ferrer Board of Health, Executive Director 1010 Massachusetts Ave, 2nd Floor Boston, Massachusetts 02118 Re: Supplemental Phase II Comprehensive Site Assessment, Revised Phase III Remedial Alternatives Analysis, and Phase IV Remedy Implementation Plan MBTA Readville 5-Yard Site Release Tracking Number 3-2856 Dear Dr. Ferrer: AECOM, on behalf of the Massachusetts Bay Transportation Authority (MBTA), is hereby notifying your office that a Supplemental Phase II Comprehensive Site Assessment (Phase II), a Revised Phase III Remedial Alternatives Analysis (Phase III), and a Phase IV Remedy Implementation Plan (Phase IV RIP) have been submitted to the Massachusetts Department of Environmental Protection (DEP) for the Readville 5-Yard Site located on Industrial Drive, in Dedham and Boston, Massachusetts (the Site). Thls notification is provided in accordance with the public involvement requirements of the Massachusetts Contingency Plan (MCP), 310 CMR 40.1403. The purpose of this Phase IV RIP is to document engineering concepts and design criteria to be used for the design and construction for the Comprehensive Remedial Action based on commercial/industrial property end use. Secondary goals of this document are to present and analyze supplemental Site data in support of an updated risk characterization and Supplemental Phase II report, as well as to present a Revised Phase III report. The Phase IV RIP report containing the Supplemental Phase II and Revised Phase III reports and supporting documentation are on file and available for public review at DEP's Northeast Regional Office in Wilmington, Massachusetts, and at the two public repositories established in Dedham (Dedham Public Library, 45 Church Street) and Boston (Hyde Park Branch Library, 35 Harvard Avenue). Should you have any question, please contact our office at (978) 589-3000. Very truly yours, AECOM Elissa Brown, CPG, CHMM, LSP Senior Program Director cc: Debra M. Darby, Site Remediation Specialist, MBTA MA DEP Bureau of Waste Site Cleanup North East Regional Office Public Involvement Program (PIP) Repositories To enhance and sustain the world’s built, natural and social environments AECOM 2 Technology Park Drive Westford, Massachusetts 01886 978.589.3000 978.589.3100 tel fax January 15, 2010 Mrs. Leanne Jasset Chairman, Board of Health Town Administration Building 26 Bryant Street Dedham, Massachusetts 02026 Re: Supplemental Phase II Comprehensive Site Assessment, Revised Phase III Remedial Alternatives Analysis, and Phase IV Remedy Implementation Plan MBTA Readville 5-Yard Site Release Tracking Number 3-2856 Dear Mrs. Jasset: AECOM, on behalf of the Massachusetts Bay Transportation Authority (MBTA), is hereby notifying your office that a Supplemental Phase II Comprehensive Site Assessment (Phase II), a Revised Phase III Remedial Alternatives Analysis (Phase III), and a Phase IV Remedy Implementation Plan (Phase IV RIP) have been submitted to the Massachusetts Department of Environmental Protection (DEP) for the Readville 5-Yard Site located on Industrial Drive, in Dedham and Boston, Massachusetts (the Site). Thls notification is provided in accordance with the public involvement requirements of the Massachusetts Contingency Plan (MCP), 310 CMR 40.1403. The purpose of this Phase IV RIP is to document engineering concepts and design criteria to be used for the design and construction for the Comprehensive Remedial Action based on commercial/industrial property end use. Secondary goals of this document are to present and analyze supplemental Site data in support of an updated risk characterization and Supplemental Phase II report, as well as to present a Revised Phase III report. The Phase IV RIP report containing the Supplemental Phase II and Revised Phase III reports and supporting documentation are on file and available for public review at DEP's Northeast Regional Office in Wilmington, Massachusetts, and at the two public repositories established in Dedham (Dedham Public Library, 45 Church Street) and Boston (Hyde Park Branch Library, 35 Harvard Avenue). Should you have any question, please contact our office at (978) 589-3000. Very truly yours, AECOM Elissa Brown, CPG, CHMM, LSP Senior Program Director cc: Debra M. Darby, Site Remediation Specialist, MBTA MA DEP Bureau of Waste Site Cleanup North East Regional Office Public Involvement Program (PIP) Repositories To enhance and sustain the world’s built, natural and social environments AECOM 2 Technology Park Drive Westford, Massachusetts 01886 978.589.3000 978.589.3100 tel fax January 15, 2010 Mr. James A. MacDonald Chairman, Boardd of Selectmen Town Administration Building 26 Bryant Street Dedham, Massachusetts 02026 Re: Supplemental Phase II Comprehensive Site Assessment, Revised Phase III Remedial Alternatives Analysis, and Phase IV Remedy Implementation Plan MBTA Readville 5-Yard Site Release Tracking Number 3-2856 Dear Mr. MacDonald: AECOM, on behalf of the Massachusetts Bay Transportation Authority (MBTA), is hereby notifying your office that a Supplemental Phase II Comprehensive Site Assessment (Phase II), a Revised Phase III Remedial Alternatives Analysis (Phase III), and a Phase IV Remedy Implementation Plan (Phase IV RIP) have been submitted to the Massachusetts Department of Environmental Protection (DEP) for the Readville 5-Yard Site located on Industrial Drive, in Dedham and Boston, Massachusetts (the Site). Thls notification is provided in accordance with the public involvement requirements of the Massachusetts Contingency Plan (MCP), 310 CMR 40.1403. The purpose of this Phase IV RIP is to document engineering concepts and design criteria to be used for the design and construction for the Comprehensive Remedial Action based on commercial/industrial property end use. Secondary goals of this document are to present and analyze supplemental Site data in support of an updated risk characterization and Supplemental Phase II report, as well as to present a Revised Phase III report. The Phase IV RIP report containing the Supplemental Phase II and Revised Phase III reports and supporting documentation are on file and available for public review at DEP's Northeast Regional Office in Wilmington, Massachusetts, and at the two public repositories established in Dedham (Dedham Public Library, 45 Church Street) and Boston (Hyde Park Branch Library, 35 Harvard Avenue). Should you have any question, please contact our office at (978) 589-3000. Very truly yours, AECOM Elissa Brown, CPG, CHMM, LSP Senior Program Director cc: Debra M. Darby, Site Remediation Specialist, MBTA MA DEP Bureau of Waste Site Cleanup North East Regional Office Public Involvement Program (PIP) Repositories To enhance and sustain the world’s built, natural and social environments NOTICE OF PUBLIC INVOLVEMENT PLAN MEETING READVILLE RAIL 5-YARD FACILITY INDUSTRIAL DRIVE, DEDHAM, MA 3-2856 A release of oil and/or hazardous materials has occurred at this location, which is a disposal site as defined by M.G.L. c. 21E, 5 2 and the Massachusetts Contingency Plan, 310 CMR 40.0000. On July 13, 2001, the MBTA received a petition from residents in Dedham and Boston requesting that this disposal site be designated a Public lnvolvement Plan site, in accordance with M.G.L. c. 21E §14(a) and 310 CMR 40.1404. In response to Massachusetts Contingency Plan requirements, the MBTA has prepared a Phase IV Remedy lmplementation Plan. The Remedy lmplementation Plan can be reviewed at the Massachusetts Department of Environmental Protection Northeast Regional Office, 205B Lowell Street, Wilmington, MA and at the following Public lnvolvement Plan repositories in Dedham and Boston. Dedham Public Library 43 Church Street Dedham, MA 02026 (781 ) 326-0583 Hyde Park Branch Library 35 Harvard Avenue Hyde Park, MA 02136 (61 7) 361-2524 As a result, a public meeting will be held at Boston Police Department, District 18 Police Station, 1249 Hyde Park Avenue on Wednesday, May 26, 2010 at 7pm to present the Remedy lmplementation Plan and to provide information about disposal site conditions. Copies of the Remedy lmplementation Plan will be made available at the meeting. Any questions regarding this meeting or the Public lnvolvement Plan should be directed to Debra Darby, Site Remediation Specialist, MBTA (617 222-3169). To enhance and sustain the world’s built, natural and social environments D:\116097454.doc