EPA v. INTERVET, INC, & MALLINCKRODT VETERINARY, INC (MILLSBORO TCE GROUNDWATER CONTAMINATION SITE)

Case summary

ADMINISTRATIVE ORDER ON CONSENT FOR MALLINCKRODT VETERINARY, INC AND INTERVET, INC TO CONDUCT CARBON TREATMENT AND SAMPLING ON TWO DRINKING WATER WELLS AND TO STUDY HYDROGEOLOGIC CONNECTION BETWEEN SHALLOW AND DEPP AQUIFER IN MILLSBORO, DE. AMENDED AOC ON 11/26/10: ADMINISTRATIVE ORDER ON CONSENT FOR RESPONDENTS TO CONDUCT EE/CA AT MILLSBORO TCE GROUNDWATER CONTAMINATION SITE. AMENDED AOC ON 10/15/12: EPA REGION III SIGNED AMENDMENT NO. 2 TO ADMINISTRATIVE ORDER ON CONSENT FOR REMOVAL RESPONSE ACTION WITH INTERVET, INC. AND MALLINCKRODT VETERINARY, INC., ( RESPONDENTS ) UNDER SECTIONS 106 AND 122 OF CERCLA TO IMPLEMENT A FURTHER REMOVAL ACTION IN CONNECTION WITH THE MILLSBORO TCE GROUNDWATER CONTAMINATION SITE ( SITE ). THE SITE INCLUDES A PROBABLE TRICHLOROETHYLENE ( TCE ) SOURCE AREA LOCATED AT A FORMER POULTRY VACCINE MANUFACTURING FACILITY LOCATED ON OR AROUND 225 WEST DUPONT HIGHWAY, NEAR THE INTERSECTION OF WHARTON STREET AND SOUTH DUPONT HIGHWAY IN MILLSBORO, A PLUME OF TCE-CONTAMINATED GROUNDWATER MIGRATING FROM THE PROBABLE TCE SOURCE AREA, AND TWO PUBLIC DRINKING WATER SUPPLY WELLS IN THE COLUMBIA AQUIFER SERVING THE TOWN OF MILLSBORO. UNDER THE ORIGINAL AOC, RESPONDENTS ARE CONTINUING THE CARBON TREATMENT AND SAMPLING ON THE WELLS IN THE COLUMBIA AQUIFER. UNDER THE SECOND AMENDMENT TO THE AOC, RESPONDENTS WILL IMPLEMENT AN EXTRACTION AND REINJECTION PLANT TO EXTRACT CONTAMINATED WATER FROM THE COLUMBIA AQUIFER, TREAT IT, AND REINJECT IT INTO THE AQUIFER. THE EXTRACTION/REINJECTION PLAN WILL HELP CONTROL THE MOVEMENT OF THE TCE-CONTAMINATED PLUME.

Defendants (2)

• INTERVET, INCNamed in settlement
• MALLINCKRODT VETERINARY, INCNamed in settlement

Facilities (1)

• MILLSBORO TCE GROUNDWATER CONTAMINATION SITE

  225 WEST DUPONT HIGHWAY, MILLSBORO, DE, 19966

  Registry ID: 110039012305

Statutes cited

• CERCLA 122A — Agreement to Perform Work Under 104B
• CERCLA 106A — Imminent & Substantial Endangerment Order

Enforcement conclusions (3)

• INTERVET, INCentered 2010-11-26

  Primary law: CERCLA

• INTERVET, INC, & MALLINCKRODT VETERINARY, INC (MILLSBORO TCE GROUNDWATER CONTAMINATION SITE)entered 2012-10-15

  Primary law: CERCLA

• INTERVET, INCentered 2010-05-11

  Primary law: CERCLA

Timeline (4 milestones)

• 2010-05-18Enforcement Action Data Entered
• 2010-11-26Amended Administrative Order
• 2012-10-15Final Order Issued
• 2012-10-15Amended Administrative Order