Draft PFAS Reference List as of 11-07-18

Welcome

Welcome. This website will be used to update interested parties on NHDES’ current investigation into the presence of Per- and Polyfluoroalkyl Substances (PFASs) in New Hampshire. You can access our previous webpage for archived information:  https://www.des.nh.gov/organization/commissioner/pfoa.htm.

Draft PFAS Reference List as of 11-07-18

South River Road Project –Construction Delay

South River Road Project –Construction Delay At the October 10, 2018 public meeting held in Merrimack, NH, a construction begin date of October 29, 2018 was communicated for the start of the South River Road Project. The contractor, Northeast Earth Mechanics, has been delayed with the completion of a previous project due to weather constraints. Read More

Draft PFAS Reference List as of 11-07-18

Draft reference list that is currently being used by the Health Risk Assessment (HRA) Team at NH-DES to develop MCL’s for PFOA, PFOS, PFHxS and PFNA.

Below is the draft reference list that is currently being used by the Health Risk Assessment (HRA) Team at NH-DES to develop MCL’s for PFOA, PFOS, PFHxS and PFNA. Draft PFAS Reference List as of 11-07-18 The draft list is comprised of references from:  ·         Governmental documents on PFAS (e.g. ATSDR Draft Toxicological Profile, US EPA Read More

Draft PFAS Reference List as of 11-07-18

Saint-Gobain Stormwater Sample Data Submitted

Saint-Gobain recently submitted data for samples collected as part of the Stormwater and Surface Water Source Investigation. The submittal can be viewed here: http://www4.des.state.nh.us/IISProxy/IISProxy.dll?ContentId=4744493. [The blog post “Elevated Levels of PFAS in Stormwater at the Saint-Gobain Facility (Fourth Post in a Series)” posted on September 27, 2018, provides a general overview of the Stormwater Investigation Read More

Draft PFAS Reference List as of 11-07-18

Slides for upcoming PFAS MCL work sessions

NHDES is holding several work sessions next week related to setting public drinking water (MCLs) and groundwater standards (AGQS) for the following Per- and Polyfluoroalkyl Substances (PFASs): PFOA, PFOS, PFNA and PFHxS. Here are the slides that will be discussed at the meetings: PFAS MCL Work Session Slides The meeting announcement and schedule can be found here: https://www.des.nh.gov/media/pr/2018/20181003-pfas-meetings.htm

Draft PFAS Reference List as of 11-07-18

Sampling at Other Properties (Eighth Post in a Series)

(This post is the eighth in a series describing the Site Investigation activities that are taking place or will be in the areas around the Saint-Gobain facility.) A preliminary Groundwater Management Zone (GMZ) was outlined in the March 2017 Consent Decree between Saint-Gobain and the State of New Hampshire. This preliminary boundary is based on Read More

Draft PFAS Reference List as of 11-07-18

Agenda for Oct. 10 Public Information Meeting in Merrimack

Agenda Public Information Meeting Wednesday, October 10, 2018 – 6:30 PM James Mastricola Upper Elementary School (JMUES) All-Purpose Room 26 Baboosic Lake Road, Merrimack, NH Welcome – 5 minutes, Lynn Christensen, Town Moderator NHDES Update – 15 minutes, Clark Freise, Asst. Commissioner, NHDES MVD Update – 10 minutes, Mike Metcalf and Keith Pratt, Underwood Engineering, Read More

Draft PFAS Reference List as of 11-07-18

Stormwater System Improvements Planned at Saint-Gobain Facility (Seventh post in a Series)

(This post is the seventh in a series describing the Site Investigation activities that are taking place or will be in the areas around the Saint-Gobain facility.) Stormwater generated at the Saint-Gobain facility is collected in a below ground piping network and discharged at an outfall on the Merrimack River. Water has been observed discharging Read More

Draft PFAS Reference List as of 11-07-18

Release: NHDES to Hold Stakeholder and Technical Work Sessions on Setting Public Drinking Water Standards for PFOA, PFOS, PFNA, & PFHxS

News from the New Hampshire Department of Environmental Services FOR IMMEDIATE RELEASE DATE: October 3, 2018 CONTACT: Jim Martin, (603) 271-3710   NHDES to Hold Stakeholder and Technical Work Sessions Setting Public Drinking Water and Groundwater Standards for PFOA, PFOS, PFNA, & PFHxS Concord, NH – The New Hampshire Department of Environmental Services (NHDES) will Read More