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09-1998-0114JudicialClosedFY 1998· Region 09

EPA v. CYPRUS SIERRITA CORPORATION

Final Order With Penalty

Case summary

This case is a civil enforcement action against Phelps Dodge Sierrita, Inc. for alleged violations of the SIP, NSPS, and PSD requirements of the Clean Air Act at its open-pit mine and copper and molybdenum ore processing plant near Green Valley, Arizona.

Defendants (1)

  • CYPRUS SIERRITA CORPORATIONNamed in complaintNamed in settlement

Facilities (1)

  • CYPRUS SIERRITA CORP

    6200 W DUVALL MINE RD, GREEN VALLEY, AZ, 85622

    Registry ID: 110000471837

Statutes cited

  • CAA 110Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Enforcement conclusions (1)

  • CYPRUS SIERRITA CORPORATION CONSENT DECREEentered 2004-08-12

    Primary law: CAA

    Federal penalty: $1,260,000 · State/local: $140,000

Timeline (9 milestones)

  • 1998-09-30Referred To Headquarters
  • 1998-09-30Referred To Dept Of Justice
  • 1998-10-15Enforcement Action Data Entered
  • 2001-09-28Supplemental Referral-Other
  • 2004-06-21Complaint Filed With Court
  • 2004-06-21Final Order Lodged
  • 2004-08-12Final Order Entered
  • 2008-03-10Demand for Stipulated Penalties
  • 2008-04-20Enforcement Action Closed

Case metadata

EPA activity ID
52990
Case number
09-1998-0114
Lead agency
EPA
HQ division
AIR
Branch
ORC2
EPA region
09
Multimedia
No
Voluntary self-disclosure
No
Primary statute
Implementation Plan for National Primary and Secondary Ambient Air Quality Standards

Sourced verbatim from EPA ECHO Enforcement Case Report for case 09-1998-0114 . Bulk data: ICIS-FEC download summary.

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.