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Main Title Air Quality Data for Nonmetallic Inorganic Ions: Nitrate and Sulfate for 1977 and 1978 from the National Air Surveillance Networks.
Author Evans, Gary F. ; Puzak, John C. ; Frazer, John E. ; Riley, Allan ;
CORP Author Environmental Monitoring Systems Lab., Research Triangle Park, NC.
Year Published 1981
Report Number EPA-600/4-81-074;
Stock Number PB81-248148
Additional Subjects Air pollution ; Inorganic nitrates ; Sulfates ; Sampling ; Concentration(Composition) ; Urban areas ; Tables(Data) ; Air quality data ; National Air Surveillance Networks
Library Call Number Additional Info Location Last
NTIS  PB81-248148 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 146p
Abstract The National Air Surveillance Networks provide information on air quality for many urban and nonurban locations within the United States. This report summarizes the network data for two nonmetallic inorganic ions (nitrate and sulfate) determined from high volume samples collected during 1977 and 1978. Concentration values are presented in the form of cumulative frequency distributions. Arithmetic and geometric sample statistics are also reported, as are measures of the precision and bias associated with the analytical methods employed.
Supplementary Notes See also report dated 1976, PB-300 458.
NTIS Title Notes Final rept..
PUB Date Free Form Sep 81
Category Codes 13B; 68A
NTIS Prices PC A07/MF A01
Primary Description 600/08
Document Type NT
Cataloging Source NTIS/MT
Control Number 323803915
Origin NTIS
Type CAT