Tag: vapor intrusion


Vapor Intrusion – Revisions to the Superfund National Priorities List - Hazard Ranking System

The United States Environmental Protection Agency’s (USEPA’s) final rule to add vapor intrusion to the Superfund listing criteria was submitted to the White House Office of Management and Budget for review on September 2, 2016.  The rule would make vapor intrusion a component of the Hazard Ranking System (HRS) used to evaluate sites eligible for […]


Proposed Rule for the Addition of a Subsurface Intrusion Component to the Superfund Hazard Ranking System

On February 29, 2016, USEPA issued a proposed rule to add a subsurface vapor intrusion component to the Superfund Hazard Ranking System (“HRS”).  The HRS is the principal mechanism EPA uses to evaluate sites for placement on the National Priorities List (NPL).  The National Priorities List (NPL) is the list of national priorities among the […]


ASTM Webinar “Changes to the ASTM 1527 Standard: What You Need to Know Now

Smith Management will be participating in the ASTM Webinar “Changes to the ASTM 1527 Standard: What You Need to Know Now” on Thursday June 6th.  The new Phase I standard is under review by the EPA, and the standard will likely be published later this year.  The changes in the standard include changes to the […]