# INTERVET, INC. AND MALLINCKRODT VETERINARY, INC. (MILLSBORO TCE GROUNDWATER CONTAMINATION SITE)
> **Administrative - Formal** · FY2017 · — · Final Order No Penalty
## Case
- **Activity ID:** `3601143031`
- **Case Number:** 03-2017-0166
- **Type:** Administrative - Formal
- **Lead:** EPA
- **Outcome:** Final Order No Penalty
- **Penalty assessed:** —
- **Cost recovery:** —
- **Compliance action $:** —
- **Multimedia (multi-env):** —
## Defendants
- INTERVET, INC. AND MALLINCKRODT VETERINARY, INC. (settlement)
## Summary

On August 8, 2017, EPA Region III signed a Third Administrative Order on Consent with Intervet, Inc., and Mallinckrodt Veterinary, Inc., ( Respondents ) under Sections 104, 106, 107 and 122 of CERCLA to implement a non-time critical removal action in connection with trichloroethylene ( TCE ) present in the groundwater and subsurface soil at the Millsboro TCE Groundwater Contamination Site ( Site ). The Site includes a TCE source area located at a former poultry vaccine manufacturing facility located on or around 225 West DuPont Highway in Millsboro, Delaware, a plume of TCE? contaminated groundwater migrating from the probable TCE source area, and two impacted public drinking water supply wells in the Columbia Aquifer serving the Town of Millsboro. Under the Third AOC, Respondents will remove remaining high TCE concentrations in sub-surface soil and groundwater on the source area property using Modified Fenton's Reagent in-situ chemical oxidation. Directed groundwater recirculation will be used to control the TCE plume and remove aqueous TCE and its breakdown products through withdrawal of groundwater for ex-situ treatment using granular activated carbon filtration units followed by reinjection of the treated groundwater back into the Columbia Aquifer at a point side gradient to the groundwater plume. Post removal site controls including long-term monitoring will be implemented to ensure the integrity of the response action. Respondents will provide financial assurance for th

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*Source: [EPA ECHO](https://echo.epa.gov/) · AI Analytics · CC0 1.0*