Related Topics: Homeland Security Research

Homeland Security Research Products in the Science Inventory

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  • Keyword = ’ homeland security AND 'indoor outdoor decontamination' AND 'decontamination' AND ('chlorine dioxide' OR ' peroxide' OR 'fumigant' OR 'efficacy' OR 'liquid decontamination' OR 'sporicide' OR 'ultraviolet light') NOT (presentation OR poster).
Records 1 to 25 of 133

2023
Efficacy of Decontamination Options for Sensitive Equipment-Related Materials Contaminated with Chemical Warfare Agents
(DATA/SOFTWARE) [Published : Nov 13, 2023]
A release of a chemical warfare agent (CWA) will create an acute and significant exposure risk to the public as well as remediation contractors who would be tasked to cleanup a contaminated site. It would require decontamination of the contaminated area which may hold sensitive e...
Material Compatibility Studies for Chemical Warfare Agent Decontamination Solutions
(PUBLISHED REPORT) [Published : Aug 01, 2023]
EPA’s Homeland Security Research Program conducts decontamination efficacy studies that identify technologies that can be used to clean surfaces, materials, or objects contaminated with chemical, biological, or radiological agents. This project consisted of an assessment of the m...
Passenger vehicle interior decontamination by low concentration hydrogen peroxide vapor following a wide area biological contamination incident
(JOURNAL) [Published : Mar 09, 2023]
Rapid decontamination following a biological terror incident is paramount for the return of a city’s operations and economy to normalcy. An outdoor urban biological agent incident may require remediation of thousands of vehicles. In this research, the utilization of widely availa...
2022
Decontamination Options for Sensitive Equipment-related Materials Contaminated with a Fourth Generation Agent (FGA)
(PUBLISHED REPORT) [Published : Sep 30, 2022]
This EPA report provides information on decontamination options for surfaces contaminated with a fourth generation (chemical) agent. Decontaminants and surfaces were selected based on expected higher material compatibility than e.g., corrosive bleach with materials associated wit...
Decontamination Options for Surface Layers Containing Permeated Chemical Warfare Agents HD and VX and Pesticides Malathion and Fipronil
(PUBLISHED REPORT) [Published : Jul 31, 2022]
Under the U.S. Environmental Protection Agency’s (EPA’s) Homeland Security Research Program (HSRP), research is being conducted necessary for identification of methods and technologies that can be used during hazardous materials remediation and cleanup efforts. The th...
Evaluating the impact of ultraviolet C exposure conditions on coliphage MS2 inactivation on surfaces
(JOURNAL) [Published : Oct 31, 2022]
Ultraviolet-C (UVC) radiation has long been used to disinfect air, water, and surfaces. The COVID-19 pandemic has recently raised interest in using UVC devices as an alternative approach for disinfecting surfaces and materials, as an increasing number of UVC devices come to marke...
Improving Surface Decontamination Methods for Permeable Materials Contaminated with Chemical Warfare Agent Surrogates Malathion and 2-CEPS
(PUBLISHED REPORT) [Published : Sep 30, 2022]
This report addresses options to improve on the decontamination of permeable materials that are contaminated with a toxic chemical that has transferred into such material. Here, two surrogates of chemical warfare agents are considered to investigate the degree of transport, mater...
Research to Inform Decontamination Strategies, Methods, and Related Technical Challenges for Remediation of a Fentanyl-Contaminated Site
(SUMMARY) [Published : Oct 18, 2022]
This technical brief provides decision makers with a practical summary of recent US EPA scientific information and data related to the technical challenges involved with remediating a fentanyl-contaminated indoor site. The research topics included in this summary are indoor build...
2021
Alternative Disinfection Devices – UV Light Disinfection of Surfaces with SARS-CoV-2
(SUMMARY) [Published : May 05, 2021]
Data report on UV disinfection results of materials contaminated with SARS-CoV-2 or two potential surrogates thereof. Data report is intended for publication on the ORD CoVID -19 environmental research webpage
Assessment of Low-Level Hydrogen Peroxide Fumigation for Remediation of Indoor Environments Contaminated with Persistent Toxic Chemicals
(PUBLISHED REPORT) [Published : Oct 27, 2021]
This report addresses the application of low concentration hydrogen peroxide vapor for the remediation of surfaces contaminated with the persistent chemical warfare agents VX and sulfur mustard (HD) and the pesticide (and chemical warfare agent surrogate) malathion. A low concent...
Decontamination Options for Indoor Surfaces Contaminated with Realistic Fentanyl Preparations
(JOURNAL) [Published : Nov 01, 2021]
The significant increase in illegal use of the synthetic opioid fentanyl is leading to unintentional overdose fatalities. Spills of fentanyl where it is abused or prepared for illegal distribution can result in persistent contamination of areas. Remediation can be attempted throu...
Decontamination of soil contaminated at the surface with Bacillus anthracis spores using dry thermal treatment
(JOURNAL) [Published : Feb 15, 2021]
In the event of a wide-area release of Bacillus anthracis spores, soils and other outdoor materials may become contaminated with the biological agent. A study was conducted to assess the in-situ remediation of soil using a dry thermal treatment approach to inactivate a B. anthrac...
Inactivation of Bacillus anthracis and Bacillus atrophaeus Spores on Surfaces with Ultraviolet Light Produced Via Either Light Emitting Diodes or a Low-Pressure Mercury Vapor Lamp
(JOURNAL) [Published : Nov 01, 2021]
Journal article; Aims: To obtain data on the efficacy of two ultraviolet light (UVC) technologies for inactivation of Bacillus anthracis Ames and Bacillus atrophaeus spores on surfaces.
Inactivation of a Bacillus anthracis Spore Surrogate on Outdoor Materials Via the Spray Application of Sodium Dichloro-s- triazinetrione and Other Chlorine-Based Decontaminant Solutions
(PUBLISHED REPORT) [Published : May 31, 2021]
The U.S. Environmental Protection Agency’s Homeland Security Strategic Research Action Plan was established to advance EPA’s capabilities to recover from a wide-area contamination incident, and the study described in this report supports that objective. This small study evaluated...
Remediation Options for Fentanyl Contaminated Indoor Environments
(PUBLISHED REPORT) [Published : Aug 20, 2021]
This report assesses decontamination options for fentanyl contaminated building materials as well as responder gear and personal protective equipment related materials. This report builds on a previous fentanyl decontamination efficacy study that looked at other decontaminants. T...
Results for Aerosol Treatment Technology Evaluation with Cold Plasma Bipolar Ionization Device
(SUMMARY) [Published : May 24, 2021]
The COVID-19 pandemic has raised awareness about the airborne transmission of diseases and increased interest in different types of aerosol treatment technologies that claim to reduce or eliminate airborne pathogens. Because many of these technologies are devices, EPA does not re...
2020
Compatibility of Electronic Equipment and Other Materials with Peracetic Acid Fog and Low Concentration Hydrogen Peroxide Vapor
(PUBLISHED REPORT) [Published : Aug 14, 2020]
The purpose of this study was to determine the impacts of PAA fog and LCHPV on representative indoor materials and electronic equipment. The fogging of PAA solution caused visually observed appearance changes (e.g., discoloration, oxidation, residue) on the copper, low-carbon ste...
EVALUATING THE ENVIRONMENTAL PERSISTENCE AND INACTIVATION OF MS2 BACTERIOPHAGE AND THE PRESUMED EBOLA VIRUS SURROGATE PHI6 USING LOW CONCENTRATION HYDROGEN PEROXIDE VAPOR
(JOURNAL) [Published : Mar 17, 2020]
The phages were inoculated onto six material types (both porous and nonporous), with and without the presence of human whole blood. The inoculated materials were then exposed to either a high or low concentration of HPV, and the phages were recovered from the materials at several...
Physical and Chemical Removal Options for Porous/Permeable Materials Contaminated with a Persistent Chemical Warfare Agent VX
(PUBLISHED REPORT) [Published : May 21, 2020]
The results of this research will provide the EPA response community as well as other Federal, State, Tribal and Local agencies on tools to decontaminate porous materials in the indoor environment that are contaminated with CWAs. Report on bench-scale experimental evaluation of p...
Radiological Recovery Logistics Tool – 20161
(PAPER IN NON-EPA PROCEEDINGS) [Published : Mar 12, 2020]
The study reported in this paper has both factored fundamental concepts and connections out of this identification process and created a Knowledge Base detailing support goals, response scenarios, and efficacy information on dozens of equipment types. In short, RRLT will dynamica...
Remediating Indoor Pesticide Contamination from Improper Pest Control Treatments: Persistence and Decontamination Studies
(JOURNAL) [Published : Apr 21, 2020]
Under the U.S. Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), it is a violation to use a pesticide in a manner inconsistent with the product’s labeling (commonly referred to as pesticide misuse or misapplication). The improper and excessive use of pesticides in indo...
Summary of hydrogen peroxide vapor generation using off-the-shelf items and equipment for the disinfection of spaces and materials
(SUMMARY) [Published : Sep 29, 2020]
The tech brief also provides information on how these devices could be operated so that a sufficient dose of hydrogen peroxide vapor is generated for disinfection purposes.
The Effects of Contaminant Aging on Decontamination Efficacy for Rapid Remediation of Concrete Surfaces – 20412
(PAPER IN NON-EPA PROCEEDINGS) [Published : Mar 12, 2020]
In this work, we evaluated the decontamination efficacy of two decontamination methods on concrete samples contaminated with soluble cesium-137 (Cs-137) and silica particles with 0.5-μm and 2-μm diameters.
The Use of Ozone Gas for the Inactivation of Bacillus anthracis and Bacillus subtilis Spores on Building Materials
(JOURNAL) [Published : May 21, 2020]
A study was conducted to assess the efficacy of ozone gas in inactivating spores of both Bacillus anthracis and Bacillus subtilis inoculated onto six building materials (glass, wood, carpet, laminate, galvanized metal, and wallboard paper). Testing conditions consisted of ozone g...
Washing/Drying of Clothing Contaminated with a Biological Agent Such as Bacillus anthracis
(PUBLISHED REPORT) [Published : Sep 30, 2020]
The study was conducted in four phases, each using viable spores of Bacillus atrophaeus var. globigii (Bg), a surrogate for Ba. Phase I and II were part of a bench-scale study using a Lab Line Incubator-Orbital Shaker to simulate a washing machine. The experiment was conducted us...