Appendix M: Installation Narrative Summaries - denix
Appendix M: Installation Narrative Summaries - denix
Appendix M: Installation Narrative Summaries - denix
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The former Illinois Ordnance Plant, which operated from 1942<br />
to 1945, is located on the eastern portion of the U.S. Fish and<br />
Wildlife Service's (FWS's) Crab Orchard National Wildlife<br />
Refuge. The ordnance plant served as a manufacturing and<br />
loading site for high-explosive shells, bombs, and other<br />
weapons components. Initially, 33 areas were identified that<br />
required further investigation. The Army grouped these areas<br />
into four operable units (OUs): the polychlorinated biphenyls<br />
(PCBs) OU, the Metals OU, the Miscellaneous Area OU, and<br />
the Explosives and Munitions Manufacturing Area (EMMA) OU.<br />
EPA placed the property on the NPL in July 1987. The Army<br />
and EPA signed an interagency agreement (IAG) in September<br />
1991. In FY96, U.S. Army Corps of Engineers (USACE) began<br />
fieldwork for the munitions and explosives of concern (MEC)<br />
engineering evaluation and cost analysis. The parties involved<br />
determined that FWS must provide preliminary investigations<br />
for uncharacterized sites. The remedial action (RA) for MEC<br />
begun by USACE in FY98 at the EMMA OU was completed in<br />
FY01. The FWS established a technical working group (TWG)<br />
in FY00 consisting of FWS, EPA, Illinois Environmental<br />
Protection Agency (IEPA) and USACE. An electronic<br />
administrative record was developed for the EMMA OU in<br />
FY04.<br />
The cleanup progress for Sangamo Electric Dump/Crab<br />
Orchard National Wildlife Refuge for FY02 through FY05 is<br />
detailed below.<br />
In FY02, USACE performed additional tree planting for erosion<br />
control, which completed the RA for the EMMA OU.<br />
In FY03, USACE continued long-term management (LTM) and<br />
performed one round of groundwater monitoring well sampling<br />
in the EMMA OU. The results were provided to IEPA, EPA, and<br />
FWS. The TWG met three times to discuss the land use control<br />
(LUC) plan for the entire Crab Orchard National Wildlife<br />
Refuge.<br />
In FY04, USACE continued LTM by performing two rounds of<br />
groundwater monitoring in the EMMA OU, the results of which it<br />
reported to IEPA, EPA, and FWS. USACE also reviewed the<br />
draft propertywide FWS LUC plan. In addition, the former<br />
Illinois Ordnance Plant developed an electronic administrative<br />
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record file for the EMMA OU and provided electronic copies to<br />
IEPA, EPA, and FWS. The TWG continued to hold meetings<br />
about potentially responsible party (PRP) sites.<br />
In FY05, USACE continued LTM by performing two rounds of<br />
groundwater monitoring in the EMMA OU and reported the<br />
results to IEPA, EPA, and FWS. USACE also reviewed the draft<br />
propertywide FWS LUC plan and prepared a draft insert for the<br />
EMMA OU portion. The TWG continued to hold meetings<br />
regarding PRP sites, and USACE attended one of the<br />
meetings.<br />
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USACE continued LTM by performing two rounds of<br />
groundwater monitoring in the EMMA OU and reported the<br />
results to IEPA, EPA, and FWS. Based on IEPA concerns,<br />
three wells (two at Crab Orchard Cemetary 3 and one at Crab<br />
Orchard Plant 4) were installed to further assist in delineating<br />
the explosive contamination plumes at both sites. USACE also<br />
reviewed the draft-final propertywide FWS LUC plan and<br />
prepared a draft insert for the EMMA OU portion. USACE<br />
prepared the draft PRP inventory project report (INPR). The<br />
USACE participated in the development of the propertywide<br />
5-year review which included site visits by IEPA, EPA, and<br />
FWS.<br />
The TWG continued to hold meetings regarding PRP sites and<br />
USACE attended one of the meetings. USACE continued LTM<br />
for EMMA OU and a 5-year review is underway.<br />
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USACE started preparation of a draft INPR for a new Military<br />
Munitions Response Program (MMRP) project to further<br />
investigate a new land mine discovery.<br />
USACE continued LTM on EMMA OU and a 5-year review is<br />
underway.<br />
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Plan of action items for Sangamo Electric Dump/Crab Orchard<br />
National Wildlife Refuge are grouped below according to<br />
program category.<br />
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0 Continue LTM at the EMMA OU in FY07.<br />
0 Complete the PRP INPR revision for the PRP<br />
project 09 by FY07.<br />
0 Obtain regulatory concurrence on project<br />
close-out for containerized Hazardous Toxic<br />
and Radioactive Waste project in FY07.<br />
0 Participate in final review of the<br />
propertywide 5-year review in FY07.<br />
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0 Complete the MMRP INPR revision for MMRP<br />
project 10 (additional MEC investigation) in<br />
FY07.<br />
0 Obtain regulatory concurrence on project<br />
close-out for MMRP project 03 in FY07.<br />
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M-180
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