Notas: | Included in accompanying DVD: False negative rate and other performance measures of a sponge-wipe surface sampling method for low contaminant concentrations / Sandia National Laboratories; Experimental design for a sponge-wipe study to relate the recovery efficiency and false negative rate to the concentration of a Bacillus anthracis surrogate for six surface materials / U.S. Dept. of Energy; Laboratory studies on surface sampling of Bacillus anthracis contamination : summary, gaps, and recommendations / U.S. Dept. of Energy. |