American Cyanamid Superfund Site

Current Activities

Site-Wide Remedy

Design and construction of the site-wide remedy as described in the Record of Decision issued by the U.S. Environmental Protection Agency (USEPA) is underway.

• Construction of the bedrock and overburden groundwater containment, extraction, treatment, and reinjection system, a major component of the site-wide remedy, is complete and the system is fully operational. Periodic maintenance and facility upgrades will be performed as needed.
• WH is implementing the site-wide soils remediation program in a phased approach. Remediation of Impoundments 13 and 24 was completed in 2024.

Impoundments 1 and 2

WH is working with the USEPA under an Administrative Order on Consent for remedial design and engineering and a Consent Decree for remedial action implementation for Operable Unit 8 (OU8), commonly referred to as Impoundments 1 and 2.

• In March 2025, Wyeth will mobilize equipment and personnel for the seasonal material removal activities. The team will begin acid tar removal in April and continue operations for several months.