EPA v. Mt. Diablo Mercury Mine 106/107 Sunoco, Inc.

Case summary

The US EPA is seeking assistance from the US DOJ in connection with a potential enforcement matter concerning the Mt. Diablo Mercury Mine, Contra Costa County, California. The site is not currently on the NPL but may be considered for listing in the future. EPA is requesting DOJ assistance in negotiating with recently identified potentially responsible parties (PRPs), and in the event negotiations are unsuccessful, for possible enforcement of a Unilateral Administrative Order under CERCLA Section 106(b), 42 U.S.C. 9606(b), and recovery of response costs pursuant to CERCLA Section 107(a), 42 U.S.C. 9607(a).

Defendants (2)

• Sunoco, Inc.
• Bradley MiningNamed in complaintNamed in settlement

Facilities (1)

• MT. DIABLO MERCURY MINE SITE

  MARSH CREEK ROAD, CLAYTON, CA, 94517

  Registry ID: 110037951339

Statutes cited

• CERCLA 107A — Cost Recovery
• CERCLA 106A — Imminent & Substantial Endangerment Order

Enforcement conclusions (1)

• Mt. Diablo Mercury Mine 106/107 Sunoco, Inc.entered 2012-04-19

  Primary law: CERCLA

Timeline (8 milestones)

• 2008-08-12Referred To Dept Of Justice
• 2008-08-12PRN Sent
• 2008-08-19Complaint Filed With Court
• 2008-08-28Enforcement Action Data Entered
• 2012-04-19Enforcement Action Closed
• 2012-04-19Final Order Entered
• 2012-04-19Final Order Lodged
• 2012-04-19Concluded