Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Air Quality Criteria for Lead. Office of Research and Development and supplements, (NTIS document numbers PB87-142378 and PB91-138420.)

Incorporation
Document Number
EPA-600-8-89-049F
Document Edition
1990
Record Source
legacy system
SIBR Legacy Id
42971