Quality assurance guidance document 2.12 : monitoring PM₂.₅ in ambient air using designated reference or Class I equivalent methods.

Bibliographic Details
Format:	Government Document eBook
Language:	English
Published:	RTP, NC : Air Quality Assessment Division, Office of Air Quality Planning and Standards, U.S. Environmental Protection Agency, 2016.
Subjects:	Air > Pollution > Monitoring > United States > Handbooks, manuals, etc. Air quality monitoring stations > United States > Handbooks, manuals, etc. Automobiles > Motors > Exhaust gas > United States. Air > Pollution > Standards > United States.
Online Access:	https://purl.fdlp.gov/GPO/gpo69921 http://purl.fdlp.gov/GPO/gpo69921 https://www3.epa.gov/ttn/amtic/files/ambient/pm25/qa/m212.pdf

Description
Item Description:	Title from title screen (viewed July 12, 2016). "January 2016." "EPA-454/B-16-001."
Physical Description:	1 online resource (174 unnumbered pages) : illustrations
Bibliography:	Includes bibliographical references.