Chapter 3
3. Sampling methods
3.1 Precipitation
3.2
Filterpack
3.3
NO2
3.4
Denuders
3.5 Cleaning and impregnation
3.6 Extraction
3.7
VOC
3.8
Aldehydes and ketones
3.9
Ozone
3.10
Heavy metals in precipitation
3.11
Heavy metals in particles
3.12
Hg
3.13
POP and PCB
3.14
PAH
3.15
PM10