The Congressional Record is the official record of the proceedings and debates of the United States Congress. It is published daily when Congress is in session. The Congressional Record began publication in 1873. Debates for sessions prior to 1873 are recorded in The Debates and Proceedings in the Congress of the United States (1789-1824), the Register of Debates in Congress (1824-1837), and the Congressional Globe (1833-1873)

Abstract: This pocket guide was developed to present technical information and data taken partly from the NIOSH/OSHA Occupational Health Guidelines for Chemical Hazards in ready reference tables for workers, employers and occupational health professionals. Chemical names and synonyms, exposure limits, chemical and physical properties, recommended protective clothing and respirators, exposure routes, signs and symptoms, target organs, and first aid procedures are supplied for 397 federally regulated chemicals or types of chemicals ound in work environments.

February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index