On behalf of the University of Massachusetts, this report has been prepared and is being submitted to document the results from the 2022 long term monitoring activities of PCB encapsulated surfaces conducted at the following buildings on the University of Massachusetts Amherst Campus:
- Tobin Hall Deck – The Monitoring and Maintenance Implementation Plan (MMIP) was submitted on March 13, 2012 in accordance with Condition 8 of the United States Environmental Protection Agency’s (EPA) PCB Risk-Based Decontamination and Disposal Approval dated February 28, 2012; modifications were made to the long-term monitoring requirements following the 2015 event and communications with EPA to include annual visual inspections and biennial wipe testing of encapsulated surfaces.
- Southwest Concourse – The MMIP was submitted on December 29, 2010 in accordance with Condition 13 of the EPA’s Southwest Residential Area Concourse PCB Cleanup and Disposal Approval dated August 30, 2010; monitoring activities were also conducted at those areas described in the PCB Remediation Plan Amendment dated May 9, 2011 and along the east side of the Patterson and MacKimmie Houses as described in the PCB Remediation Plan dated May 15, 2017; following the 2015 monitoring event and communications with EPA, modifications were made to the long-term monitoring requirements to include visual inspections on an annual basis and wipe testing of encapsulated surfaces on a biennial basis.
- Dubois Library Elevator Lobbies – The MMIP was submitted on March 29, 2013 in accordance with Condition 12 of the EPA’s Dubois Library PCB Cleanup and Disposal Approval dated April 8, 2010; following the 2015 monitoring event and communications with EPA, modifications to the long-term monitoring were made to include visual inspections and indoor air sampling on an annual basis and wipe testing of encapsulated surfaces on a biennial basis.
- Orchard Hill Complex:
- Webster House – The MMIP was submitted on January 5, 2012 in accordance with Condition 16 of the EPA’s PCB Decontamination and Disposal Approval dated July 4, 2011; following completion of the 2015 monitoring event and communications with EPA, the long-term monitoring program was modified to include annual visual inspections and biennial wipe testing of encapsulated surfaces. Post-abatement indoor air sampling to confirm site conditions was also conducted in 2016.
- Field and Grayson Houses – The MMIP was submitted on January 13, 2014 in accordance with Condition 17 of the EPA’s April 30, 2012 PCB Decontamination and Disposal Approval for the window/door replacement project; monitoring activities were also conducted in accordance with the MMIP for the work completed on the exterior joints submitted on April 24, 2012 as part of the PCB Remediation Plan/Close Out Document for Field and Grayson House; following completion of the 2015 monitoring event and communications with EPA, the longterm monitoring program was modified to include annual visual inspections and biennial wipe testing of encapsulated surfaces. Post-abatement indoor air sampling to confirm site conditions was also conducted in 2016.
- Sylvan Complex – The MMIP was submitted on February 20, 2014 as part of the remediation completion reporting for the exterior and interior renovations conducted at each of the three buildings within the Sylvan Complex (Brown, Cashin, and McNamara). Annual post-remediation monitoring has been conducted in accordance with the MMIP and additional communications with EPA since 2014. Following completion of the 2017 monitoring event, the long-term monitoring program was modified to include visual inspections and wipe testing of encapsulated surfaces on a biennial basis. In addition, indoor air monitoring is being conducted in interior areas where residual PCBs were encapsulated. On June 4, 2019, EPA issued the PCB Decontamination and Disposal Approval for the Sylvan Complex which included continued long-term monitoring of encapsulated surfaces.
- Physical Plant Second Floor – The MMIP was submitted on December 16, 2013 in accordance with Condition 15 of EPA’s October 19, 2012 PCB Decontamination and Disposal Approval for the replacement of windows in Room 230A within the Physical Plant building. Long-term monitoring activities include visual inspections to be conducted on an annual basis.
