Category: Vapor Intrusion
“Much left unsaid” – A Primer on Environmental Due Diligence for Real Estate Transactions
Last month, I had the pleasure of participating in a roundtable discussion regarding “Transactional Real Estate and Environmental Due Diligence” co-hosted by Primerus and Association of Corporate Counsel . I don’t know about my co-panelists ( Michaël Hassan , Tina Denso , and Melissa Demorest LeDuc ), but I personally...
Here at Last! DTSC’s 2022 Vapor Intrusion Advisory
Last month, the California Department of Toxic Substances Control (“DTSC”) issued its long-awaited “Vapor Intrusion Update” (“Advisory”) which is intended to guide the selection of attenuation factors (“AFs”) at contaminated sites overseen by DTSC. For folks frantically Googling the term “attenuation factors,” I’ll save you some time: attenuation factors are...
California issues draft guidance for vapor intrusion to indoor air
California environmental agencies recently issued a draft vapor intrusion guidance document that will significantly impact the investigation and remediation of environmentally impacted properties by owners, operators and potential buyers. The guidance document will also impact real estate deals and development involving those properties. The California State Water Resources Control...
SF Regional Board attempts to clarify vapor intrusion approach
The San Francisco Regional Water Quality Control Board recently issued a fact sheet summarizing changes to its approach to remediating environmental impacts and mitigating vapor intrusion (VI) at properties impacted with volatile organic compounds (VOCs). This follows a January 2019 update to the Board’s vapor intrusion environmental screening levels—which...