Special investigation report
Subtitle: phosphorus trichloride release in Boston and Maine yard 8 during switching operations, Somerville, Massachusetts, April 3, 1980.
Publisher: National Transportation Safety Board; National Technical Information Service [distributor]
Published: 1981
Place of publication: Washington, D.C; Springfield, Va
Language: eng
Number of pages: 33
Subjects: Railroads -- Yards -- Accidents -- Massachusetts -- Somerville.; Hazardous substances -- Massachusetts -- Somerville -- Transportation.
Other titles: Phosphorous trichloride release in Boston and Maine yard 8 during switching operations, Somerville, Massachusetts, April 3, 1980.
Notes: Cover title.

"NTSB-HZM-81-1."

Includes bibliographical references.