TY - BOOK T1 - Guidance for using continuous monitors in PM₂₅̣ monitoring networks DA - [1998] CY - Research Triangle Park, N.C. : AU - Watson, John G. CN - EP 4.8: PB - U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, PP - Research Triangle Park, N.C. : PY - [1998] N1 - "May 29, 1998." N1 - Shipping list no.: 99-0342-M. N1 - "EPA-454/R-98-012." ID - 223061 KW - Particles. KW - Air KW - Air quality monitoring stations. TI - Guidance for using continuous monitors in PM₂₅̣ monitoring networks LK - http://purl.access.gpo.gov/GPO/LPS2829 UR - http://purl.access.gpo.gov/GPO/LPS2829 ER -