Volatile Times in Vapor Intrusion Regulation: A Legal and Technical Update
Vapor Intrusion: New Rules by the EPA
As regulation of vapor intrusion continues to evolve and escalate costs at contaminated sites, due diligence practices for vapor intrusion must also continue to evolve. Potential purchasers should consider supplementing a...more
The California Department of Toxic Substances Control (DTSC), State Water Resources Control Board, and San Francisco Bay Regional Water Quality Control Board (collectively, CalEPA VI Workgroup) published their final draft...more
On February 23, 2023, California EPA (Cal EPA) finally released a “final draft” version of the much-awaited vapor intrusion guidance, Final Draft Supplemental Guidance: Screening and Evaluating Vapor Intrusion (VI Guidance)...more
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...more
CalEPA’s supplemental guidance on vapor intrusion offers instruction but also creates questions. Our Environment, Land Use & Natural Resources Group looks back and looks forward at what the impending changes might mean for...more
As concerns have escalated about vapor intrusion, regulatory agencies are not only taking more conservative approaches to risk – they may also be more likely to take enforcement action where there is delay or non-compliance...more
Standard due diligence practices may not necessarily identify all the potential liabilities associated with the rapidly evolving field of vapor intrusion. ...more
By Catherine W. Johnson In February 2020, California EPA (Cal-EPA) released its Draft Supplemental Vapor Intrusion Guidance (“Draft Guidance”) – designed to promote consistency in the investigation of vapor intrusion among...more
Technical consultants Elie Haddad and Jennifer Boyer (Haley & Aldrich, Inc. - San Jose, CA) team up with environmental attorneys Brian Moskal and Sherry Jackman (Greenberg Glusker LLP - Los Angeles, CA) to discuss and explore...more
While the vast majority of Proposition 65 claims involve consumer products, Proposition 65 also applies to environmental exposures. On July 3, 2020, a Proposition 65 notice of intent to sue was filed against a consulting firm...more
In February, the California Department of Toxic Substances Control, or DTSC, the State Water Resources Control Board, or SWRCB, and the San Francisco Bay Regional Water Quality Control Board released a much-anticipated draft...more
After years in the making behind closed doors, on February 14, 2020, the California Department of Toxic Substances Control (DTSC), the San Francisco Bay Regional Water Quality Control Board and the California State Water...more
By Laurie Berger (May 28, 2020) In February of this year, three California regulatory agencies released the much-anticipated draft guidance for the investigation of vapor intrusion, “Supplemental Guidance: Screening and...more
Guidance Increases Uncertainty for Restoring Brownfields - The long-awaited CalEPA guidance for screening and evaluating vapor intrusion has been issued as a draft for public comment. This state-wide guidance, jointly...more
Introduction - Vapor intrusion has emerged as an important legal, scientific, and policy issue over the last decade. With this issue’s growing importance, it is prudent for persons acquiring, leasing, or developing...more
We have all been involved in investigating and remediating sites with soil and groundwater contamination. But another form of contamination has been recently gaining attention—vapor intrusion....more
With increasing concern and attention being raised by regulatory agencies and the public on protecting building occupants from exposure to vapor intrusion (VI)-related contaminants, parties acquiring and developing property...more
2016 begins with the issuance of this Construction Industry Newsletter, our fifth. In this issue, we have articles on vapor intrusion, liability for project design, enforcement of mechanic’s lien and bond waiver clauses, and...more
We can expect the trend seen in Massachusetts and some other states of reevaluating and reopening previously closed sites to address the vapor intrusion pathway to grow. Massachusetts is the latest state to reevaluate...more
On June 11, 2015, the United States Environmental Protection Agency released long-delayed final guidance for evaluating and mitigating risks at sites where vapor intrusion is an actual or potential concern. The final guidance...more
A recent ruling by the United States Court of Appeals for the Ninth Circuit illustrates the challenges faced by developers of contaminated properties and their lenders, as well as the extraordinary risks associated with...more
Most commercial or industrial buyers of contaminated property, and virtually all lenders at contaminated sites, require sellers to either obtain a no-further-remediation letter (NFR) themselves, place money in escrow in an...more