TY  - BOOK
AU  - Papp, Michael.
CN  - EP 4.52:
CY  - Research Triangle Park, N.C. :
DA  - [2000]
ID  - 253603
KW  - Air quality monitoring stations
KW  - Air
KW  - Air
KW  - Air quality manangement
N1  - Cover title.
N1  - "Author(s): Michael Papp ... [et al.]"--Colophon.
N1  - "December 2000."
N1  - "EPA-454/R-00-041."
PB  - U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards,
PP  - Research Triangle Park, N.C. :
PY  - [2000]
T1  - Quality assurance report, calendar year 1999the PM₂₅̣ ambient air monitoring program
TI  - Quality assurance report, calendar year 1999the PM₂₅̣ ambient air monitoring program
ER  -