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I N S T I T U T E F O R D E F E N S E A N A L Y S E S IDA Document D-4379The UXO Classification Demonstration at the Former Camp Butner, NC
Michael Tuley Shelley Cazares
Elizabeth Ayersiii
Executive Summary IntroductionUnexploded ordnance (UXO) are munitions that were armed and fired but did not explode. Their risk of detonation remains, even decades after initial use. Thousands of sites in the United States are suspected of UXO contamination and require remediation. As much as 75% of current remediation costs may be associated with digging up nonhazardous scrap metal called "clutter," instead of UXO. The development, validation, and acceptance of reliable technologies to correctly classify buried targets as UXO or clutter could lead to a significant reduction in UXO remediation costs, allowing more land to be cleared for the same amount of funding.The Environmental Security Technology Certification Program (ESTCP) carried out the third live-site UXO classification demonstration at the former Camp Butner, NC in 2010. The main goal of the demonstration was to test and validate currently available and emerging classification technologies on a live site under operational conditions. Another goal was to involve environmental regulators, program managers, and other stakeholders in the design, execution, and evaluation of the demonstration to better understand what might be required in a real-world remediation project if detected targets were classified as clutter and therefore left in the ground.
MethodsThe former Camp Butner was chosen to provide a greater challenge than the previous two demonstration sites. Historical records showed that a variety of munitions had been fired at Butner, including 37 mm projectiles similar in size to clutter. Thus, the estimated size of the buried target was not likely to be a discriminating feature in this demonstration, unlike in the previous two.Although this was a live-site demonstration, 160 inert UXO were seeded at the site, as in the previous two demonstrations. Clutter is common at live sites, but UXO is rare. Additional UXO must be seeded to confidently assess classification capabilities against a well-characterized and statistically significant set of targets.Three ...
