"Approved: April 29, 1999"--P. 6. "Pipeline accident number: DCA-97-FP-002." Title from title screen (viewed on Feb. 10, 2003).
Technical Details:
Mode of access: Internet from the NTSB web site. Address as of 2/10/03: http://www.ntsb.gov/publictn/1999/PAB9903.pdf; current access is available via PURL.