A newer version (dated 1 March 2004) of the federal polygraph handbook, formally titled the "Federal Psychophysiological Detection of Deception Examiner Handbook" and published under the rubric of the DoD Counterintelligence Field Activity (the new parent agency of the Department of Defense Polygraph Institute) may be downloaded here:

http://antipolygraph.org/documents/federal-polygraph-handbook-01-03-2004.pdf