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Record of Decision System (RODS)

ROCKWELL INTERNATIONAL CORP. (ALLEGAN PLANT)

Abstract

Site Name:  ROCKWELL INTERNATIONAL CORP. (ALLEGAN PLANT)
Address:  ONE GLASS ST 
City & State:  ALLEGAN  MI  49010
County:  ALLEGAN
 
EPA ID:  MID006028062
EPA Region:  05
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/541/R-02/067
ROD Date:  09/30/2002
Operable Unit(s):  02
 
Abstract:  The Rockwell International Superfund Site includes approximately 30.4 acres of the former Rockwell International manufacturing facility and areas contaminated by off-site releases from the facility. The Rockwell site is an inactive manufacturing facility that occupies about 30 acres bordering the Kalamazoo River in Allegan, Michigan. The site and immediate surrounding area are used for residential and industrial purposes.
 
Remedy:  This ROD selects a remedial action for soils, pond sediments, and groundwater at the Rockwell site. In the fall of 2001, EPA performed an evaluation of site conditions and determined that imminent risks warranted the commencement of a removal action to address elevated concentrations of polychlorinated biphenyls (PCBs) in residential soils. The selected remedy includes remedial alternatives to address both source material and groundwater contamination at the site. Source material includes soil, pond sediments, and the oil that is found at the site. Major components of the selected remedy include: excavation and off-site disposal of 47,106 cubic yards of soil and pond sediments; attainment of residential/industrial/commercial cleanup levels; excavation of oil-impacted soil and pond sediment; removal of liquid oil and smear zone soils at any depth; investigate and remove contaminated drains, lines, vaults; demolition and removal of former manufacturing building and foundation; restoration of the site to current grades; implementation of deed notices to limit development; construction of soil bentonite slurry wall; installation of permeable reactive gates, additional monitoring wells; implementation of groundwater use restrictions; and contingency for closure of the slurry wall and extraction and treatment of groundwater if the walls fail.
 
Text:  View full-text ROD [ 9.22M ]
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