Office of Research and Development Publications

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This technical brief reports the results of two recent studies that aimed to increase our understanding and capabilities with regards to decontamination of outdoor areas following a biological incident. These data help responders develop remediation plans following outdoor contam...

This report by the U.S. Environmental Protection Agency’s (EPA’s) Homeland Security Research Program (HSRP) strives to provide expertise and products that can be widely used to prevent, prepare for, and recover from public health and environmental emergencies arising from terrori...

This report chronicles the study undertaken to evaluate the decontamination efficacy of diperadipic acid, under application conditions that were found to be effective for pH-adjusted bleach (a common sporicidal liquid). The results showed that diperadipic acid demonstrated >6 Lo...

Personnel decontamination is an integral part of any emergency response. This report discusses a decontamination project that evaluated the decontamination efficacy and physical migration (transport) of Bacillus spores and operational efficiency of two types of sprayer technologi...

This report focus for fixed site surface decontamination and cleanup, two distinct options among liquid disinfectants include pH-adjusted bleach (pAB) and Spor-Klenz® (S-K; per-acetic/peroxide formulations). Efficacy of these two sterilants in lab-scale studies has been well-docu...

In both developing and industrialized nations, a growing number of contaminants are entering water supplies from human activities. In addition, the events of September 11, 2001, in the United States have raised concerns about the potential for intentional contamination of water s...

Historically, street sweeping primarily has been conducted to remove the regular buildup of litter and trash along urban streets. Recent developments in sweeper technology, such as regenerative sweepers and “dustless sweepers”, enable municipalities and transportation departments...

Poster -To elucidate the prevalence of naturally occurring B.anthracis, USEPA NHSRC scientists teamed with scientists from the USGS Mineral Resources Program scientist to analyze soil samples from 4,770 sites as part of the North American Soil Geochemical Landscapes Project. USEP...

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In the event of a release of a biological agent in an urban area, a wide range of surfaces may be contaminated, including indoor surfaces in homes and businesses. This research was conducted to identify and evaluate low-technology (low-tech) remediation methods that could be used...

This report was prepared to evaluate the feasibility of using rapid manufacturing technologies (i.e., computer numerical controlled (CNC) milling, printing) to develop three-dimensional (3D) physical models as surrogates for outdoor field experiments. These models have the potent...

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EPA’s Waste Estimation Support Tool (WEST) is a GIS-based decision support tool for estimating the characteristics, amount, and residual radioactivity of waste generated from remediation and cleanup activities after a radiological incident, including those involving radiological ...

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Technical Summary

Bacillus spores are persistent on common drinking water infrastructure surfaces such as corroded iron and cement-mortar. Due to their resistance to disinfection, inactivation of spores can be used as a benchmark for decontamination of biological agents from drinking water infrast...

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