| Primary Investigator |
Institutional Affiliation |
Measurements |
Methodology |
|
Carroll |
University of Michigan |
NO, NO2 and NOy; 1,8 and 3 pptv detection limits respectively (continous 1 min. av. S/n=2)
|
Chemiluminescence / photolysis / Au catalysis
|
| O3, 5%, and CO, 10%, 1-5 min. |
UV photometer and gas filter correlation/IR absorption |
| UV radiation |
Eppley Radiometer |
|
Bertman |
Western Michigan |
PAN compounds (PAN, PPN, MPAN, 15-30 min. resolution (intensives) and 1-2 hr. resolution (non-intensives); ~5 pptv detection limit
|
GC-ECD; whole air injection |
|
Claiborn |
Washington State |
Total peroxides and organic peroxides, deriving hydrogen peroxide continous, 5 or 10 min. averages, level of detection nominally 0.1 ppb, precision approximately 0.5 to 1.5% |
Dual channel enzyme fluorescence method |
|
Fischer |
ERIM |
Aerosol and cloud backscatter, samples at 1 min., resolution 75 m., 30 min. averages of BL mixing height and aerosol extinction
|
Lidar |
|
Keeler |
University of Michgan |
HONO, HNO3, SO2, NH3, 12 or 24 hours |
Impactor / Denuder / HPLC |
| Particle elemental composition, 12 or 24 hours |
Filter / INAA / ICP-MS / SEM-EDX |
| Particle phase nitrate, sulfate, acidity, 12 or 24 hours |
Denuder / filter |
|
Lamb and
Westberg |
Washington State |
Isoprene canopy scale flux measurments, 30 min. resolution, ~once per hr., estimated uncertainty 20-30% |
Relaxed eddy accumulation sampling system |
|
Samson |
University of Michigan |
Continuous measurements of wind speed, wind direction, temperature and humidity |
Anomometer, thermometer, thermocouple, hygrometer |
|
Shepson |
Purdue |
Acetaldehyde, acetone, methyl glyoxal, biacetyl, CH3 CHO, C2H5CHO, MAR, MVK, isoprene, and - and -pinene |
GC/MS and fast-response MS/MS |
| H2CO |
Hantzch/fluorimetry |
|
Young |
Ohio University |
C2-C10 alkanes, alkenes and alkynes, benzene, toluene, o-xylene, pm-xylene, ethyl benzene and methyl chloride |
Canisters/cartridges, GC-FID |