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News from the New Hampshire Department of Environmental Services FOR IMMEDIATE RELEASE DATE: October 8, 2019 CONTACT: Jim Martin, (603) 271-3710 des.nh.gov twitter.com/NHDES Public Hearing on Draft Air Permit for Air Pollution Control Equipment at Saint-Gobain Performance Plastics and Information Meeting to Provide Update on Southern New Hampshire PFAS Investigation Concord, NH – The New Read More

On September 30, 2019 new Ambient Groundwater Quality Standards (AGQS) went into effect for four per- and polyfluoroalkyl substances (PFAS) that include: 12 parts per trillion (ppt) for perfluorooctanoic acid (PFOA), 15 ppt for perfluorooctane sulfonic acid (PFOS), 18 ppt for perfluorohexane sulfonic acid (PFHxS), and 11 ppt for perfluorononanoic acid (PFNA). In anticipation of Read More

Summary of the Technical Background Report for the Proposed Maximum Contaminant Levels and Ambient Groundwater Quality Standards for PFOA, PFOS, PFNA and PFHxS.

News from the New Hampshire Department of Environmental Services FOR IMMEDIATE RELEASE DATE: June 28, 2019       CONTACT: Jim Martin, (603) 271-3710 des.nh.gov twitter.com/NHDES   NHDES Proposes New PFAS Drinking Water Standards Final Rulemaking Proposal for PFOA, PFOS, PFHxS and PFNA [CORRECTION: This press release has been updated to correct a minor error in describing a Read More

NHDES slides from the June 20, 2019 update on East Kingston PFAS Investigation and Remediation 20190620 East Kingston Public Mttg_Website Version final (note – slides were slightly modified to provide context to photographs)

In 2017, NHDES requested assistance from the U.S. EPA’s Office of Research and Development (EPA ORD) to conduct analyses of samples from various media for the potential existence of unique PFAS compounds not previously identified through conventional analysis. One part of this project was for EPA ORD to analyze stack test emission samples taken during Read More

News from the New Hampshire Department of Environmental Services   FOR IMMEDIATE RELEASE DATE: June 14, 2019 CONTACT: Jim Martin, 603 271-3710 des.nh.gov twitter.com/NHDES Public Information Meeting NHDES to Provide Update on East Kingston PFAS Investigation Concord, NH – The New Hampshire Department of Environmental Services (NHDES) in cooperation with the Town of East Kingston Read More

In 2017, NHDES requested assistance from the U.S. EPA’s Office of Research and Development (EPA ORD) to conduct analyses of samples from various media for the potential existence of PFAS compounds. One of these types of media included raw materials used at two NH industrial facilities which were identified as potentially containing PFAS compounds. These Read More

May 29, 2019 – Governor Chris Sununu, Attorney General Gordon MacDonald, and DES Commissioner Bob Scott announced historic action to protect New Hampshire’s natural resources by filing two lawsuits against companies for the manufacturing and dissemination of PFAS in New Hampshire. The lawsuits seek damages for contamination of the State’s natural resources with four different Read More

NHDES received two reports prepared by Golder Associates, Inc. on behalf of Saint-Gobain that summarize results of investigation activities at the Saint-Gobain Facility. The Report on 2018 Stormwater and Surface Water Activities (Volume 1 and Volume 2), dated March 15, 2019, is focused on the results of stormwater and surface water sampling conducted in 2018, Read More