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Force Base, California

The U.S. Air Force released an Explanation of
crew discovered unexploded ordnance in the
Affordable • Accredited • Convenient version of a 2009 cleanup remedy at Site 29, an excavated debris.

EDWARDS AFB TEHACHAPI
661-258-8644 661-823-4986 of Edwards Air Force Base, California. Located determined that a remedy similar to that in the
on the southwestern shoreline of Rogers Dry
www.cerrocoso.edu Lakebed in the Mojave Desert, Site 29 covers ROD was more appropriate and issued an

A leader in online education since 1997 western portion that was active in the late 1930s document this remedy change. Minor changes
and an eastern portion that operated from the from the original ROD remedy include repairing
1950s to the 1970s.
cover consisting of recycled concrete aggregate.
The original cleanup remedy for Site 29 was The addition of the second cover provides soil
documented in the 2009 Record of Decision for stability and restores habitat in select areas
South Base. The remedy included removal of within the cover.
surface debris; in-place containment of buried
waste; land use controls to restrict access and The majority of buried debris at Site 29 consists
prevent unauthorized dumping; stormwater of glass bottles and scrap metal. Excavation
activities also uncovered ceramics, charred
monitoring and maintenance. paper, charred and uncharred wood, and empty
shell casings.
In 2012, results of a pre-design investigation
Further details of the remedial action are
buried waste than was originally anticipated. This outlined in the Site 29 ESD, now available online
prompted the Air Force to amend the 2009 ROD at www.edwards.af.mil/About/Environment
to change the Site 29 cleanup remedy so that (under the Publications tab) and on the Edwards
the buried waste could be removed and the Administrative Record website at https://ar.afcec-
site returned to natural conditions. The Site 29 cloud.af.mil. The Information Repositories are
Amendment to the OU2 ROD was issued in currently closed because of COVID-19.
July 2012.
For more information or to obtain a copy of the
From 2013 to 2015, excavation activities to Site 29 ESD, contact Gary Hatch, 412th Test

412tw.pae@us.af.mil.
similar to the original estimate provided in the

or
Air Force Civil Engineer Center
F
F
Installation Support Section
Edwards Air Force Base, CA 93524
F
F
or
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