ASTM develops standard for collection of suspicious powders
Jul 13, 2006 3:16 PM
ASTM International, one of the largest voluntary standards development organizations in the world, has announced a new standard for collecting, packaging and transporting visible powder samples suspected of being biological agents.
The standard incorporates reference guidance to comply with appropriate federal regulations regarding biosafety and biosecurity, and is applicable to nonporous surfaces only.
The development of a sample collection standard was initiated by the U.S. Department of Homeland Security (DHS) in order to address the problems associated with haphazard sample collection and screening. DHS assigned the National Institute of Standards and Technology (NIST) to coordinate and lead a task group whose charge was to develop a standard protocol for the collection of powders that are suspected biological agents.
Officials from the Federal Bureau of Investigation, the Center for Disease Control, the Environmental Protection Agency, the International Association of Fire Chiefs, health departments of U.S. states, various segments of the U.S. Army, and others helped develop the standard.
"The cooperative effort among the various organizations and the stakeholder community is to be commended for providing the response community with this important tool," says Kathleen M. Higgins, director, Office of Law Enforcement Standards, NIST, and chair, ASTM Committee E54 on Homeland Security Applications.
The standard involves a two-step procedure that is performed after an initial risk assessment is conducted and a visible powder is deemed a credible biological threat. The first step of the procedure, or Method A, covers the bulk collection and packaging of the suspicious visible powders from solid nonporous surfaces. Bulk samples are collected and transported in a manner that permits public health and safety, and law enforcement agencies to obtain uncompromised samples for confirmatory analysis and forensic testing. The second step, or Method B, covers swab sampling of residual suspicious powders for presumptive on-site biological screening.
To learn more about the standard, visit www.astm.org
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