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  • Organization = [ORD-NHSRC]
  • Keyword = "SAM OR ('sample methods' OR 'sample method' OR 'sampling') OR ('analytical methods' OR 'analytical method' OR analysis) OR ('risk assessment' OR 'risk analysis' OR 'risk communication').
Records 1 to 25 of 253

2023
Analysis for Coastal Operational Resiliency (AnCOR) Wide Area Demonstration (WAD)
(PUBLISHED REPORT) [Published : Sep 01, 2023]
Report on the Wide Area Demonstration (WAD) under the Analysis for Coastal Operational Resiliency (AnCOR) project. The AnCOR WAD was conducted from May 2 through May 27, 2022. The test venue was located at Fort A.P. Hill (FAPH), Bowling Green, VA. All work will was conducted at F...
Decontamination of Vegetation to Inactivate Bacillus anthracis Spores
(PRESENTATION) [Presented : Dec 07, 2023]
The Analysis for Coastal Operational Resiliency (AnCOR) program is an interagency collaboration between the U.S. Environmental Protection Agency (EPA), the Department of Homeland Security (DHS), and the United States Coast Guard (USCG). The overall purpose of this multiagency pro...
2021
Decontamination of urban surfaces contaminated with radioactive materials and consequent onsite recycling of the waste water
(JOURNAL) [Published : Feb 04, 2021]
Enhancing rapid remediation strategies is paramount for recovery after a large-scale nuclear contamination event in an urban environment. Some current strategies recommend use of readily available equipment, materials, and facilities to expedite recovery. For example, applying pr...
2020
Physiological responses to a single low-dose of Bacillus anthracis spores in the rabbit model of inhalational anthrax
(JOURNAL) [Published : Jun 11, 2020]
Journal Article--Bacillus anthracis, the causative agent of inhalation anthrax, is one of the most highly studied biological threat agents, yet consensus is still lacking on an appropriate dose-response relationship to describe human health effects from low doses and multiple exp...
2019
ANALYSIS FOR COASTAL OPERATIONAL RESILIENCY ANCOR
(PRESENTATION) [Presented : Sep 25, 2019]
This presentation will address capability gaps related to sampling, fate & transport, decontamination, data management, and waste management. Local and state responders can benefit from this research with new information and tools to ensure community resilience to a wide area bi...
Chlorine Exposure During a Biological Decontamination Study in a Mock Subway Tunnel
(JOURNAL) [Published : Jul 12, 2019]
The Underground Transport Restoration (UTR) Operational Technology Demonstration (OTD) was a full-scale study focused on remediation of a subway system after contamination with a Bacillus anthracis (Ba) surrogate (Bacillus atrophaeus, subspecies globigii [Bg]). The study involved...
Development of a Rapid Viability Polymerase Chain Reaction Method for Detection of Yersinia pestis in Water
(JOURNAL) [Published : May 13, 2019]
Due to the occurrence of natural plague outbreaks and its historical usage as a biological weapon, Yersinia pestis is considered one of the high-priority biological threat agents. It can remain viable in certain environments including water for more than 100 days. The Rapid Viabi...
Evaluation of Analytical Methods for the Detection of Bacillus Anthracis Spores: Compatibility with Real-World Samples Collected from Outdoor and Subway Surfaces
(PUBLISHED REPORT) [Published : Aug 20, 2019]
This effort sought to assess the impact of potential real-world interferents (RWIs) present in Sponge-Stick and Vacuum Cassettes (VCF) samples on current culture and molecular analysis methods. Having an assessment of the impact, if any, will help EPA understand limitations of th...
PROTOCOL FOR DETECTION OF FRANCISELLA TULARENSIS IN ENVIRONMENTAL SAMPLES DURING THE REMEDIATION PHASE OF A TULAREMIA INCIDENT
(PUBLISHED REPORT) [Published : Sep 01, 2019]
Francisella tularensis, the bacterium that causes Tularemia infection, is a high-priority bioterrorism agent. There is no step‐by‐step analytical protocol for detection of Francisella tularensis in environmental samples that can be used by the EPA’s Environmental Response Laborat...
Quantifying hydraulic and water quality uncertainty to inform sampling of drinking water distribution systems
(JOURNAL) [Published : Jan 01, 2019]
Sampling of drinking water distribution systems is performed to satisfy regulatory requirements but also to respond to customer complaints or emergency situations. Water distribution system modeling techniques can be used to plan and inform sampling strategies; however, a high de...
Radiological Emergency: Exposure Assessment of Livestock Carcass Management
(PUBLISHED REPORT) [Published : Jun 06, 2019]
The potential exposures and exposure pathways were compared for various options to support decision-making in the event of a radiological emergency to provide an in-depth evaluation based on understanding of ionizing radiation and radiation exposure, conceptual models of potentia...
Research Results to Enhance Management of Bacillus anthracis Contaminated Wash Water
(SUMMARY) [Published : May 29, 2019]
This technical brief summarizes research conducted in EPA's Homeland Security Research Program to support development of technologies and practices for managing and treating decontamination wash water resulting from a Bacillus anthracis (anthrax) contamination incident. This bri...
SAMPLE ANALYSIS OF NATIVE AIR FILTERS FOR CHARACTERIZATION AND EXTENT MAPPING OF BIOLOGICAL INCIDENTS
(PUBLISHED REPORT) [Published : Aug 30, 2019]
Following a biological contamination incident, the spatial extent of the contamination should be determined using established sampling and analytical methods such as culture or RV-PCR. A previous study demonstrated that a sampling strategy involving native air samplers could be i...
Sample Processing Method for Ricin Analysis
(SUMMARY) [Published : Jan 30, 2019]
Technical Brief
Strain diversity and spatiotemporal variation in the occurrence of Legionella spp. within a large building water system
(PRESENTATION) [Presented : Aug 27, 2019]
Understanding the survival mechanisms of Legionella within building water systems (BWSs) is challenging due to varying engineering, operational, and water quality characteristics unique to each system. Disinfectant residual and detection of the amoeba hosts, Acanthamoeba spp. an...
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...
The Use of Hollow Fiber Dialysis Filters Operated in Axial Flow Mode for Recovery of Microorganisms in Large Volume Water Samples with High Loadings of Particulate Matter
(JOURNAL) [Published : Apr 05, 2019]
The objective of this study was to evaluate axial flow hollow fiber ultrafiltration (HFUF) in the recovery of target organisms in large volumes of turbid water that would be similar to water encountered in the cleanup of a biologically contaminated area such as the B. anthracis c...
The impact of wipe sampling variables on method performance associated with indoor pesticide misuse and highly contaminated areas
(JOURNAL) [Published : Mar 10, 2019]
Pesticide misuse incidents in residential indoor areas are typically associated with misapplications that are inconsistent with the label directions of the product. Surface wipe sampling and analysis procedures are relied upon to evaluate the extent of indoor contamination and th...
2018
Alternative Fast Analysis Method for Cellulose Sponge Surface Sampling Wipes with Low Concentrations of Bacillus Spores
(JOURNAL) [Published : Nov 16, 2018]
Environmental sampling is a critical component of the post decontamination verification process following a bioterrorism event. This journal article describes work performed to produce a less labor-intensive method for processing cellulose sponge-wipes used for sampling areas pot...
Application of Quantitative Dose-Response Data in Risk Assessment and the Incorporation of High-Throughput Data
(BOOK CHAPTER) [Published : Mar 01, 2018]
Book Chapter—This invited contribution is the concluding chapter of this important reference book. It brings together concepts discussed in preceding chapters so that the reader understands how to quantify and apply reliable findings in health risk assessment decisions.
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...
Deployment of Real-Time Analytics and Modeling at the City of Flint, Michigan Water System
(SUMMARY) [Published : Oct 31, 2018]
Maintaining an updated and accurate water distribution system network model can be difficult for any water system. This technical brief demonstrates that RTX and RTX:LINK technologies, application that provides a simple, secure, read-only access to key operational data streams, ...
Direct aqueous injection of the fluoroacetate anion in potable water for analysis by liquid chromatography tandem mass-spectrometry
(JOURNAL) [Published : Oct 29, 2018]
Journal Article describes the analysis of sodium fluoroacetate by liquid chromatography/tandem mass spectrometry. Four different drinking waters contaminated with the target analyte were evaluated.
Evaluation of Commercial Wet Vacuums for Anthrax Sampling
(PUBLISHED REPORT) [Published : Aug 08, 2018]
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...
Evaluation of Wipe Sampling Parameters and Surface Analysis of Misused Pesticides on Indoor Surfaces
(PRESENTATION) [Presented : Apr 10, 2018]
Slide Presentation - Excessive application or off-label use of pesticides have resulted in inappropriate use for indoor environments. Surface wipe sampling and analysis techniques are relied upon to successfully evaluate contamination and facilitate remediation efforts. No consen...