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Record of Decision System (RODS)

TOBYHANNA ARMY DEPOT

Abstract

Site Name:  TOBYHANNA ARMY DEPOT
Address:  11 HAP ARNOLD BOULEVARD 
City & State:  TOBYHANNA  PA  184665086
County:  MONROE
 
EPA ID:  PA5213820892
EPA Region:  03
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R03-96/231
ROD Date:  09/27/1996
Operable Unit(s):  02
 
Media:  soil
 
Contaminant:  PCBs
 
Abstract:  Please note that the text in this document summarizes the Record of Decision for the purposes of facilitating searching and retrieving key text on the ROD. It is not the officially approved abstract drafted by the EPA Regional offices. Once EPA Headquarters receives the official abstract, this text will be replaced.

Tobyhanna Army Depot (TYAD) is located in Monroe County, Pennsylvania, approximately 15 miles southeast of Scranton, Pennsylvania, adjacent to the Village of Tobyhanna. Although the name and mission have changed since its inception in 1909, TYAD has always been a government-owned and operated facility. TYAD was used for field artillery training and ordnance storage during World War I. After several years of inactivity, TYAD was a training, equipment storage, and detention center during World War II. TYAD was again deactivated until construction of the current installation in the early 1950s.

TYAD now encompasses approximately 1,293 acres. As a communications-electronics maintenance and supply depot, the current function of TYAD is design, fabrication, repair, and modification of a wide range of communications and electronics systems. These systems, which range in size from handheld radios to satellite communications ground terminals, are associated with navigation, aircraft survivability, surveillance, and electronics warfare.

Area of Concern (AOC) #63 is a former electrical substation located at the corner of Squire and First Streets and encompasses an area measuring 67 feet by 78 feet. AOC #63 is partially fenced and is bounded by the coal pile/heating plant to the south; additionally, several inches of coal cover much of the western and southwestern portions of this AOC. The former substation served both the industrial and residential areas of TYAD from the early 1950s until 1980. As a result of a lightening strike and the age of the equipment, the substation was replaced by the substation located at the corner of Hap Arnold Boulevard and Squire Street.

Samples of oil from the two transformers, which have been in place since the substation began operation, were submitted for PCB analysis in 1991. Results showed that the transformers could be classified as non-PCB transformers. Oil was drained from both transformers in 1993 and disposed of in accordance with regulations.

A removal of PCB-contaminated soil and concrete at AOC #63 was performed in 1994. Almost 2 cubic yards of contaminated soil was excavated as part of this removal action. Additionally, concrete surfaces suspected of containing elevated levels of PCBs were decontaminated. All soil and waste from the decontamination procedures were containerized and turned in for ultimate disposal.
 
Remedy:  A no further action alternative is the selected remedy for Operable Unit (OU)2. Additional sampling or monitoring will not be necessary, because any potential unacceptable risks to human health or the environment have been addressed as part of the 1994 removal action. At this time, there are no future plans for development. The area is currently zoned for industrial use and, as long as TYAD occupies the property, is expected to remain industrial. Because of the negligible risk, there is also no need for fencing or other controls to prevent access by TYAD employees to this area.
 
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