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Pacific Southwest, Region 9: Superfund

Serving Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations

PCB Warehouse

EPA #: MPD980798318

State: Northern Mariana Islands(MP)

County: Saipan Island


Congressional District: 01

Other Names:

Bulletin Board

On 10/13/17, this website will no longer be updated. Site information will be migrated to the new web page at: http://www.epa.gov/superfund/pcbwarehouse .
EPA appreciates your patience through this transition. If you have questions, please contact EPA staff listed below.


Description and History

NPL Listing History

NPL Status: Deleted

Proposed Date: 12/30/82

Final Date: 09/08/83

Deleted Date: 03/07/86

The PCB Warehouse site was a shelter in Saipan, a Commonwealth of the Northern Mariana Islands, where drums of liquid tainted by polychlorinated biphenyls (PCBs) from transformers were stored. The site contained 21 drums of oil contaminated with PCBs and three crates of sodium arsenite. The drums in the shelter were intact and the EPA found no evidence of spills or leaks on the site. The transformers from which the oil was drained were located at the Saipan Headquarters Building and at the Yard of the Department of Public Works. The EPA found no indication of spills or leaks near the transformers. The site was located approximately 1,000 feet upstream from the nearest freshwater intake.

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Contaminants and Risks

Contaminated Media
  • Soil and Sludges

Three crates in the shelter contained sodium arsenite. Twenty-one drums of oil in the shelter contained PCBs from transformer liquid. The EPA was concerned that oils containing PCBs could be released in the event of a severe tropical storm, thereby threatening the health of people who ingest or come into direct contact with the contaminants.

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Who is Involved

This site was addressed through Federal actions.

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Investigation and Cleanup Activities

Cleanup Complete

Immediate Action: The EPA was concerned that a tropical storm could cause PCBs to leak into the Philippine Sea from the drums and crates in the shelter. In 1984, the EPA repacked the drums and crates and shipped them to the United States to a Federally-approved disposal facility. The EPA tested the site after removing the wastes and found that neither PCBs nor sodium arsenate contaminated the site and its surroundings during or before the cleanup action. The EPA finished cleaning up the site in 1984 and, with the concurrence of the Commonwealth of the Northern Mariana Islands, determined that no further cleanup actions were needed.

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Cleanup Results to Date

The removal of the drums and crates has eliminated the potential for exposure to contaminants at the PCB Warehouse site. The site now is safe for nearby residents and the environment. The PCB Warehouse site has been deleted from the NPL.

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Potentially Responsible Parties

Potentially responsible parties (PRPs) refers to companies that are potentially responsible for generating, transporting, or disposing of the hazardous waste found at the site.

Online information about the PRPs for the site is not yet available.

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Documents and Reports

No documents found

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Community Involvement

Public Meetings:

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Public Information Repositories

The public information repositories for the site are at the following locations:

The most complete collection of documents is the official EPA site file, maintained at the following location:

Superfund Records Center

Mail Stop SFD-7C

95 Hawthorne Street, Room 403

San Francisco, CA 94105

(415) 820-4700

Enter main lobby of 75 Hawthorne street, go to 4th floor of South Wing Annex.

Additional Links

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EPA Site Manager
Christopher Lichens
US EPA Region 9
Mail Code SFD
75 Hawthorne Street
San Francisco, CA 94105
EPA Community Involvement Coordinator
David Yogi
US EPA Region 9
Mail Code SFD-6-3
75 Hawthorne Street
San Francisco, CA 94105
EPA Public Information Center
State Contact
PRP Contact
Community Contact
Other Contacts
After Hours (Emergency Response)
(800) 424-8802

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