guidance

NYSDEC Proposes New Water Quality Guidance Values for Emerging Contaminants

On October 6, 2021, New York State Department of Environmental Conservation (NYSDEC) proposed Released new water quality guidance values (GVs) for emerging contaminants Perfluorooctanoic acid (PFOA), Perfluorooctane sulfonic acid (PFOS), and 1,4-Dioxane (1,4-D). The new guidance values are established in a draft addendum to Technical and Operational Guidance Series (TOGS) 1.1.1: Ambient Water Quality Standards and Guidance […]

NYSDEC Proposes New Water Quality Guidance Values for Emerging Contaminants Read More »

Ohio Revises Vapor Intrusion Guidance

The Ohio EPA Division of Environmental Response and Revitalization’s (DERR) issued revised vapor intrusion Guidance.  The document was developed using established guidance from the United States (U.S.) Environmental Protection Agency (EPA), the Interstate Technology Resource Council (ITRC), American Society of Testing and Materials (ASTM), and other states. The agency gave a special thanks to the

Ohio Revises Vapor Intrusion Guidance Read More »

California Proposes Revisions To Vapor Intrusion Guidance

California’s Department of Toxic Substances Control (DTSC) and the State Water Resources Control Board have issued draft supplemental Vapor Intrusion guidance. The draft “Draft Supplemental Guidance: Screening and Evaluating Vapor Intrusion” was released for review and public comment on February 14, 2020. However, because of the Covid-19 public health emergency, the public comment period is

California Proposes Revisions To Vapor Intrusion Guidance Read More »

EPA Issues Guidance For Continuing or Suspending Response Actions During COVID-19 Crisis

In our post discussing EPA’s Enforcement Discretion guidance, we mentioned that EPA was working on guidance for performing remedial actions during the Covid-19 crisis. On April 10th, EPA issued its “Interim Guidance on Site Field Work Decisions Due to Impacts of COVID-19” (Interim Guidance) to regional offices when determining to continue, reduce, or pause on-site

EPA Issues Guidance For Continuing or Suspending Response Actions During COVID-19 Crisis Read More »

NYSDEC Issues Revised Guidance for PFAS Sampling and Analysis

Earlier this month, the New York State Department of Environmental Conservation (NYSDEC) just released its new “Guidance for Sampling and Analysis of PFAS Under NYSDEC’s Part 375 Remedial Programs January 2020” (“PFAS Guidance”).  The purpose of the PFAS Guidance is to establish procedures for sampling PFAS and for determining if PFAS is a contaminant of concern for

NYSDEC Issues Revised Guidance for PFAS Sampling and Analysis Read More »

Scroll to Top