EPA v. WASHINGTON NAVY YARD

Case summary

EPA R3 received an Explanation of Significant Difference (ESD) that reviewed the human health risk assessment based on updated toxicity values for polycyclic aromatic hydrocarbons (PAHs) for two OUs at the Washington Navy Yard. The updated values allowed for the previous unacceptable risk designation for PAH exposures at EA 19 and the Eastern Extension EA to be updated to no unacceptable risk , allowing for the removal of LUCs at these OUs.

Defendants (1)

• WASHINGTON NAVY YARDNamed in complaintNamed in settlement

Facilities (2)

• WASHINGTON NAVY YARD

  8TH & M ST SE, WASHINGTON, DC, 20374

  Registry ID: 110064120838

• WASHINGTON NAVY YARD

  8TH & M ST SE, WASHINGTON, DC, 20374

  Registry ID: 110064120838

Statutes cited

• CERCLA 106A — Imminent & Substantial Endangerment Order
• CERCLA 120E — Federal Facility Interagency Agreement

Enforcement conclusions (12)

• WASHINGTON NAVY YARD - OU14entered 2005-10-14

  Primary law: CERCLA

• WASHINGTON NAVY YARD: OU-21 (Site 23)entered 2013-03-11

  Primary law: CERCLA

• WASHINGTON NAVY YARD (OU-19)entered 2011-09-29

  Primary law: CERCLA

• WASHINGTON NAVY YARD OU-22 (Site 22)entered 2016-09-30

  Primary law: CERCLA

• WASHINGTON NAVY YARD: OU-12 (4 remaining sub-areas)entered 2017-09-28

  Primary law: CERCLA

• WASHINGTON NAVY YARD (Sitewide GW OU1 NFA ROD)entered 2019-09-27

  Primary law: CERCLA

• WASHINGTON NAVY YARD OU-08 (Site 8)entered 2015-09-29

  Primary law: CERCLA

• WASHINGTON NAVY YARD: OU-08entered 2017-09-28

  Primary law: CERCLA

• WASHINGTON NAVY YARD 0U-13entered 2007-12-20

  Primary law: CERCLA

• WASHINGTON NAVY YARD - OU5 and OU6entered 2006-09-29

  Primary law: CERCLA

Timeline (3 milestones)

• 1999-01-25Enforcement Action Data Entered
• 1999-06-29Complaint Filed/Proposed Order
• 2023-03-27Final Order Issued