EP 1110-1-18
24 Apr 00
CHAPTER 23
UXO SUPPORT FOR CONSTRUCTION ACTIVITIES
23-1. Introduction. This chapter discusses explosive soils, anomaly avoidance, and UXO
support during construction as part of OE response actions on FUDS.
23-2. Explosive Soils.
a. General. Explosive soil, primary explosives, and secondary explosives are defined in
the glossary.
b. Soil Contaminated with Primary Explosives and Propellants. For soils known or
suspected to be contaminated with any concentration of primary explosives or propellants, the
following will apply:
(1) The OE MCX will be contacted for sampling and cleanup procedures prior to initiating
any work.
(2) Responsibilities for sampling and cleanup of soils contaminated with any concentration
of primary explosives or propellants will be determined on a case-by-case basis.
c. Soil Contaminated with Secondary Explosives. For soils known or suspected to be
contaminated with secondary explosives, the following will apply:
(1) The HTRW Design District is responsible for the design and removal or remedial
action to cleanup soils contaminated with secondary explosives. However, where military
munitions (excluding bulk explosives) are suspected or known to exist, the OE Design Center is
responsible for the design and the OE Design Center or the district approved to execute OE
removal actions is responsible for the cleanup.
(2) The HTRW Design District will sample and analyze site soil samples to determine by
compositional analysis whether areas exist where soils are in excess of ten percent secondary
explosives. Sampling and analysis procedures can be obtained from the HTRW MCX. Project
documents to include a sampling and analysis plan will be prepared and submitted to the HTRW
MCX in accordance with the current approved HTRW responsibilities matrix (the matrix is
available on the Internet at http://www.usace.army.mil/inet/centers/mcx/htrw/htrw.htm under the
"List of Mandatory Services"). The Work Plan and SSHP will be submitted to the OE MCX for
review prior to beginning any sampling. UXO support is required during sampling.
(3) When the concentration of secondary explosives is determined to be ten percent or
greater, the HTRW Design District will prepare an ESS for cleanup in addition to the project
documents required by existing HTRW guidance. Project documents will be submitted to the
23-1
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