LSPA Continuing Education Seminar
Environmental Symposium 2024

This course will cover a variety of vapor intrusion (VI) assessment and mitigation topics by MassDEP and Sanborn Head presenters. 

MCP Requirements for VI Mitigation Measures - John Fitzgerald, MassDEP

• Regulations, including new provisions effective March 1, 2024
• Guidance, guidelines, and recommendations on Sub-Slab Depressurization System (SSDS) design and operation
• Evaluation of 60-day AEPMM shutdown concerns

Active Exposure Pathway Mitigation Measures (AEPMMs) - Kate Carvalho, MassDEP and Brian Roden, MassDEP

• Statistics on AEPMM sites since 2014
• MassDEP telemetry registration process including new MCP regulation as of 3/1/2024
• Relevant MCP regulations for AEPMMs operating as part of a Permanent Solution
• Components of the AUL related to AEPMMs
• Requirements for future property owners at AEPMM sites
• MassDEPs audit and enforcement process for AEPMM RTNs
• Recent NOAFs for AEPMM RTNs

VI Assessment and Mitigation for Existing Buildings – David Shea, Sanborn Head

• Conventional methods for sampling soil vapor, sub-slab vapor, and indoor air
• Enhanced investigation methods, including real-time sampling and building pressure adjustment with examples
• Diagnostic and pilot testing to support VI mitigation design
• Rapid and long-term mitigation technologies
• VI mitigation design guidance and standards
• Maintenance and monitoring

VI Mitigation for New Buildings – An LSP’s Perspective – Matthew Heil, Sanborn Head

• Passive vs. Active Exposure Point Mitigation Measures - Considerations and Limitations
• Barrier membrane types – Pros and Cons
• Installation Quality Control
• Telemetry Considerations
• Demonstration of Effectiveness
• A Case Study – Non-VOC VI Assessment and Mitigation

Panel Discussion/Q&As – all presenters; time for Q&A will also be provided during the presentations, as deemed appropriate by instructors.