Tabellen (3) - BFW

Lexikon waldschädigende Luftverunreinigungen und Klimawandel (Tabellenanhang 3) -37-
Air Quality Standards (US-EPA)
National Ambient Air Quality Standards (US)
set up by the United States National Ambient Air Quality Standards (NAAQS) and the EPA (Environmental
Protection Agency), respectively for six (seven) principal pollutants, designed also to provide protection of
vegetation.
Standard values.
Pollutant 1h 8h 24h Quaterly
average
SO2 *) 0,14 ppm
(365 µg m -3 )
O3
0,12 ppm
(235 µg m -3 )
0,08 ppm
(157 µg m -3 )
http://www.luftschadstoffe.at
Annual
arithmetic mean
(80 µg m -3 )
NO2 0.053 ppm
(100 µg m -3 )
Pb 1,5 µg m -3
PM2.5 65 µg m -3
15 µg m -3
Primary
Primary and
secondary
Primary and
secondary
Primary and
secondary
PM10 150 µg m -3 50 µg m -3 Primary and
secondary
CO 35 ppm 9 ppm
*) 3h average: 1300 µg m -3 (secondary)
EPA 2000: http://www.epa.gov/airs/criteria.html
Standard values.
Primary
(health related)
Pollutant Type of average Standard level
concentration
CO 8 hr
1 hr
NO2 Annual arithmetic
mean
O3 Maximum daily 1 hr
average
Pb Maximum quarterly
average
PM10 Annual arithmetic
mean
SO2
24 hr
Annual arithmetic
mean
24 hr
9 ppm (10 mg m -3 )
35 ppm (40 mg m -3 )
0,053 ppm
(100 mg m -3 )
0,12 ppm
(235 mg m -3 )
Secondary (welfare related)
Type of average Standard level
concentration
No secondary standard
Same as primary standard
Same as primary standard
1,5 µg m -3 Same as primary standard
50 µg m -3
150 µg m -3
80 µg m -3
(0,03 ppm)
365 µg m -3
(0,14 ppm)
Same as primary standard
Krupa S.V. 1997: Air pollution, people and plants. APS Press Minnesota, U.S.A.
3 hr
1300 µg m -3 (0,50 ppm)