Innovative concepts and technology for railroad-highway grade crossing motorist warning systems. Vol. II: the generation and analysis of alternative concepts. Final report.

Transportation Systems Center, Cambridge, Mass.

Rail-highway crossing hazard prediction research results. Final report.

Transportation Department, Washington, D.C.

Effectiveness of audible warning devices on emergency vehicles. Final report.

Transportation Department, Office of Noise Abatement, Washington, D.C.

Potential means of cost reduction in grade crossings motorist-warning control equipment. Volume I: overview, technology survey and relay alternatives. Final report.

Transportation Systems Center, Cambridge, Mass.

Health effects evaluation data file : data file design, abstraction, coding, and computerization of the 1977 and 1978 health hazard evaluation and technical assistance reports /

Mode of access: Internet.

An evaluation of occupational health hazard control technology for the foundry industry /

Mode of access: Internet.

Special occupational hazard review for DDT.

"September 1978."

Special occupational hazard review : alternatives to DI-2-ethylhexyl phthalate ("DOP")in respirator quantitative fit testing.

Mode of access: Internet.

Special hazard review with control recommendations for ethylene thiourea /

Mode of access: Internet.

Special hazard review with control recommendations for 4,4'-methylenebia (2-chloroaniline).

Mode of access: Internet.

A workingman's opinion of the railroad question, the Boston & Maine monopoly a foe to New Hampshire interests : the Hazen Bill should be defeated and the Atherton Bill passed,-- a solemn warning to the legislature.

Caption title.

Important correspondence between Judge Elisha R. Potter and R.G. Hazard, Esq.

Cover title.

Hazard communication guidelines for compliance.

Mode of access: Internet.

Development of additional hazard assessment models /

"March 1977."

A critical technical review of six hazard assessment models /

Final report, issued March 1977.