INDOOR AIR QUALITY SAMPLING AND ANALYTICAL METHODS
CONTAMINANT DETECTION LIMIT SCREENING METHOD VALIDATED MEASUREMENT
Bioaerosols Detection Limit to 10,000 cfu/m3 Biotest RCS air sampler with agar strip GK-A or N6 Andersen impactor. Consult lab for media. None
Ammonia
NH3
2 - 30 ppm Drager Ammonia 2/a
(67-33231)
Midget Fritted
Bubbler-H2SO4, IC
Carbon Monoxide
CO
2 - 300 ppm Drager CO 2/a
(67-33051)
5 liter sampling bag, GC/DID (OSHA 200) or Ecolyzer1
Formaldehyde
HCHO
0.04 - 1 ppm Drager Formaldehyde 0.2/a (67-33081) and Formaldehyde Activation Tube (81-01141) Coated XAD-2 tube, GC/NPD (OSHA 52)1
Nitrogen Dioxide NO2 0.5 - 10 ppm Drager NO2 0.5/a (CH 19501) TEA-Molecular sieve tube, IC (OSHA 182)1
Ozone O3 0.05 - 1.4 ppm Drager Ozone 0.05/b (67-33181) Midget Impinger- iodine method (NIOSH S8)1
Particulates 0 - 40,000 particles/cc TSI PortaCount Gravimetric, 5 PVC filter (IMIS 9136)1
C-48, Attachment G (08/01/94)