Science Inventory

Refine Your Search

Search Again

or try advanced search

Search Within

Search Criteria:

Records with

  • Keyword = ’homeland security’ AND 'indoor outdoor decontamination' AND chemical NOT (presentation OR poster).
Records 1 to 25 of 177

2020
Dispersion Modeling Systems Relevant to Homeland Security Preparedness and Response
(PUBLISHED REPORT) [Published : Oct 21, 2020]
Atmospheric dispersion modeling is one tool that can be used for effective emergency preparation or response from hazardous chemical, biological, radiological, nuclear, and explosive (CBRNe) releases, especially in urban areas where population densities are high and wind flow bec...
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...
EVALUATION OF ALTERED ENVIRONMENTAL CONDITIONS AS A DECONTAMINATION APPROACH FOR NONSPORE-FORMING BIOLOGICAL AGENTS
(JOURNAL) [Published : Apr 01, 2020]
The purpose of this study was to evaluate the effects of altered environmental conditions on the persistence of Francisella tularensis bacteria and Venezuelan Equine Encephalitis virus, on two material types. Results from this study provide information for inactivation of non-spo...
Functional categories of microbial toxicity resulting from three advanced oxidation process treatments during management and disposal of contaminated water
(JOURNAL) [Published : Jan 20, 2020]
Contaminated waters could contain harmful chemicals, which present management and disposal challenges. This study investigates three The results indicate that AOP pre-treatment can be a viable strategy to facilitate drain disposal of contaminated waters, but that eco-toxicit...
Literature Search and Review for Sampling, Analysis, and Decontamination of Chemical Warfare Agent - Contaminated Maritime Vessels
(PUBLISHED REPORT) [Published : Dec 31, 2020]
The USCG protects and defends more than 100,000 miles of U.S. coastline and inland waterways. To this end, the USCG may be responsible for countering and responding to incidents involving weapons of mass destruction, including biological warfare agents (BWAs) and chemical warfare...
Physical and Chemical Removal Options for Porous/Permeable Materials Contaminated with a Persistent Chemical Warfare Agent XV
(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...
Portable Mercury Detector Testing and Evaluation Report
(PUBLISHED REPORT) [Published : Jan 01, 2020]
Responding to an accident, fire, or deliberate chemical release can potentially expose first responders to harmful levels of toxic or corrosive chemicals. Additionally, following a contaminant release indoors, it is essential to protect the public health and provide a clearance ...
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...
Urban Wind Field Analysis from the Jack Rabbit II Special Sonic Anemometer Study
(JOURNAL) [Published : Dec 15, 2020]
The Jack Rabbit II Special Sonic Anemometer Study (JRII-S), a field project designed to examine the flow and turbulence within a systematically arranged mock-urban environment constructed from CONEX shipping containers, is described in detail. The study involved the deployment of...
Water Rinses and Their Impact on Decontamination Efficacies of Surfaces Contaminated with Chemical Warfare Agent Simulants
(PUBLISHED REPORT) [Published : Nov 30, 2020]
This report assesses the impact of pre- and post decontamination water rinses on the overall decontamination efficacy of a hydrogen peroxide-based decontamination product for the cleaning of clean or grimed surfaces that are contaminated with chemical warfare agent simulants. The...
2019
2018 EPA International Decontamination Research and Development Conference
(SUMMARY) [Published : May 28, 2019]
On May 8-10, 2018, the U.S. Environmental Protection Agency’s (EPA’s) Office of Research and Development’s National Homeland Security Research Center (ORD/NHSRC) hosted the 10th U.S. EPA International Decontamination Research and Development Conference at the EPA facilities in Re...
A case study of cesium sorption onto concrete materials and evaluation of wash agents: Implications for wide area recovery
(JOURNAL) [Published : Jun 01, 2019]
The sorption and desorption properties of radionuclides onto common building materials such as concrete are critical factors in the improvement of techniques for mitigating a release of nuclear or radiological material to the urban environment. A potential option for the early p...
Colony-Forming Unit Spreadplate Assay versus Liquid Culture Enrichment-Polymerase Chain Reaction Assay for the Detection of Bacillus Endospores in Soils
(JOURNAL) [Published : Dec 21, 2019]
This peer reviewed journal article summarizes research on comparison of an enrichment-PCR assay compared to a processing protocol for soil samples potentially contaminated with Bacillus anthracis
Efficacy and Compatibility of Decontamination Options for Sensitive Equipment-Related Materials Contaminated with Persistent Chemical Warfare Agents
(PUBLISHED REPORT) [Published : Aug 23, 2019]
Under U.S. Environmental Protection Agency’s Homeland Security Research Program (US EPA HSRP), the National Homeland Security Research Center conducts research necessary to identify methods and technologies that can be used for the decontamination of equipment and surfaces contam...
High Pressure Decontamination of Building Materials During Radiological Incident Recovery
(JOURNAL) [Published : Nov 01, 2019]
High pressure decontamination of certain surface building materials is concluded to be a promising rapid, readily available response technique, with the data from this study informing its practical implementation. Removal efficacy of radionuclides from concrete are high when perf...
Persistence of Chemical Warfare Agent VX on Building Material Surfaces
(SUMMARY) [Published : Jun 24, 2019]
This brief provides a summary of two recent U.S. Environmental Protection Agency (EPA) bench-scale studies assessing the persistence of VX on various building material surfaces. This overview provides decision‐makers with practical information on the expected persistence of VX fo...
Review of Decontamination Techniques for the Inactivation of Bacillus anthracis and Other Spore-Forming Bacteria Associated with Building or Outdoor Materials
(JOURNAL) [Published : Mar 22, 2019]
Although the military has been developing decontamination methods for their purposes for decades, research conducted or funded by nondefense government agencies with a focus on the decontamination of civilian facilities had been minimal prior to 2001. That changed following the i...
The Use of Bacteriophage MS2 for Development and Application of a Virucide Decontamination Test Method for Porous and Heavily Soiled Surfaces
(JOURNAL) [Published : Aug 05, 2019]
An analytical method was optimized for MS2 recovery from simulated agricultural surfaces. Considerations included selection of a neutralizer and extraction buffer, determination of analytical holding time, and MS2 survivability on surfaces with and without grime. The decontaminat...
2018
Best Practices to Minimize Laboratory Resources for Waste Characterization During a Wide-Area Release of Chemical Warfare Agents
(PUBLISHED REPORT) [Published : Sep 13, 2018]
The report is intended to be applicable to consequence management activities that EPA will be involved with and will require waste characterization. This best practices document is intended to be general and all-hazards in nature, applicable to a multitude of settings, and to pro...
Evaluation of Liquid-, Foam-, and Gel-Based Decontaminants Report
(PUBLISHED REPORT) [Published : Sep 24, 2018]
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...
Hot Spot Calculator to Optimize Radiological Cleanup Decisions
(PUBLISHED REPORT) [Published : May 15, 2018]
Model/Guide
Influence of environmental conditions on the attenuation of ricin toxin on surfaces
(JOURNAL) [Published : Aug 08, 2018]
Ricin is a highly-toxic compound derived from castor plant beans. Several incidents involving contamination of structures due to ricin production or dissemination have occurred in recent years. The goal of this study was to determine whether ricin bioactivity could be attenuated ...
Mass Imbalances in EPANET Water-quality Simulations
(JOURNAL) [Published : Apr 06, 2018]
This journal article examines EPANET, which is widely employed to simulate water quality in water distribution systems. However, the time-driven simulation approach used to determine concentrations of water-quality constituents provides accurate results, in general, only for smal...
Survey and Assessment of Fate and Transport Models for Use Following a Wide-Area Urban Release to Inform Mapping, Characterization, and Site Clearance
(PUBLISHED REPORT) [Published : Oct 09, 2018]
If a terrorist event or natural disaster causes a wide area of land to be contaminated with chemical, biological, or radiological particulates, emergency responders need a rapid way to determine where to sample and decontaminate prior to clearing the area. A comprehensive stormwa...