October 6, 2022

National Grid and its contractors will be completing the installation of additional soil borings and monitoring wells in the off-site area near the former Citizens Gas Works manufactured gas plant (MGP) site. The investigation will generally include the installation of several new groundwater monitoring wells in public street rights-of-way:

The new wells will be installed to support the long-term groundwater monitoring program following the recently completed site remediation. The work is anticipated to begin during the week of October 17, 2022 and last approximately four weeks. Work will generally be conducted Monday through Friday each week between the hours of 7 a.m. and 5 p.m. Community air monitoring will be conducted in accordance with NYSDEC/NYSDOH protocols during the investigation. Additional information is provided in the NYSDEC-approved Supplemental Off-Site Investigation Work Plan (Work Plan), which has been posted under the “Key Documents” section of the project website (www.citizensmgpsite.com).