Welcome. This website will be used to update interested parties on NHDES’ current investigation into the presence of Per- and Polyfluoroalkyl Substances (PFAS) in New Hampshire. You can access our previous webpage for archived information: https://www.des.nh.gov/organization/commissioner/pfoa.htm.
Presentations and Video of Nov. 5 Public Hearing on Draft Air Permit for Air Pollution Control Equipment at Saint-Gobain Performance Plastics and Update on Southern New Hampshire PFAS Investigation
On November 5, NHDES held a public hearing on a draft air permit related to the installation and operation of air pollution control equipment at Saint-Gobain Performance Plastics Corporation in Merrimack. Following the conclusion of the public hearing, NHDES staff provided an update on the Saint-Gobain site investigation activities and the response to assessing drinking Read More
Information on Nov. 5, 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
Information Regarding the November 5, 2019 Public Hearing and Subsequent Information Session What is the purpose of the public hearing and information sessions? There are two events that will be held on the evening of November 5th. The first event is a public hearing regarding a draft Temporary Permit (draft air permit) that was Read More
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
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
Update on Southern New Hampshire PFAS Investigation
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.
Summary of the Technical Background Report for the Proposed Maximum Contaminant Levels and Ambient Groundwater Quality Standards for PFOA, PFOS, PFNA and PFHxS.
NHDES Submits Final Rulemaking Proposal for PFOA, PFOS, PFHxS and PFNA
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
Slides from East Kingston PFAS Update Meeting, June 20, 2019
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)
EPA Office of Research and Development Report #6 (stack test emissions)
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
Public Information Meeting – East Kingston, June 20
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
EPA Office of Research and Development Report #5 (raw materials)
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