| Species Parameter |
Investigator Code | Technique | Averaging Time | Accuracy | Nominal Precision |
Nominal LOD |
|---|---|---|---|---|---|---|
| NO | C | LIF | 90 sa | ±18% | 10% at 30 pptv | 2 pptv |
| NO | H | Chemiluminescence | 60s | 6% or 7 pptva | 6 pptv | 3 pptv |
| 2 | C | PF/LIF | 180 sa | ±20% | 10% at 50-100 pptv | 5-12 pptv |
| NOy | C | CC/LIF | 90 sa | ±20% | 10% at 200 pptv | 10 pptv |
| NOy | H | CC/Chemiluminescence | 60 s | 15% or 30 pptva | 30 pptv | 15 pptv |
| O3 | E | Chemiluminescence | 10 s | 5% or 2 ppbv | 3% or 1 ppbv | 1 ppbv |
| CO | J | TDL | 5 s | 1% | 1 ppb or 1% | 2 ppbv |
| CO2 | E | IR absorption | 5 s | ±0.25 ppm | ±0.1 ppm | NA |
| H2O | J | TDL | 5 s | 1% | 0.5 ppbv | 1 ppbv |
| CH4 | J | TDL | 5 s | 1% | 3 ppbv | 6 ppbv |
| Remote O3 vertical profiles | D | UV DIAL | 180 sb | 10% or 2 ppbv | 5% or 1 ppbv | <5ppbv |
| Remote aerosol vertical profiles | D | lidar | 2 sc | 1% | 1% | NA |
| H2O | N | 2- and 3-stage frost pt. hygro. |
1 min | |||
| H2O | G | Lyman alpha fluorescence | 10 s | |||
| H2O2 | F | grab samples/ HPLC |
5 min | 10% > 150 pptv | 15 pptv | 20 pptv |
| H2O2 | F | aqueousscrubber/ fluorescence |
1 min | 10% > 150 pptv | 15 pptv | 20 pptv |
| CH3OOH | F | grab samples/ HPLC |
5 min | 15% > 200 pptv | 20 pptv | 30 pptv |
| CH3OOH | F | aqueous scrubber/ fluorescence |
1 min | 15% > 200 pptv | 20 pptv | 30 pptv |
| Aerosol densitye | E | optical particle counter | 10 s | 5%d | 5%d | 3 |
| Aerosol densityf | E | optical particle counter | 10 s | 5%d | 5%d | 0.01 #/cm3 |
| DMS | A | GC/QMS | 3-4 min | <10% | <2 pptv | <4 pptv |
| OCS | A | GC/QMS | 3-4 min | <10% | <1 pptv | 1 pptv |
| SO2 | A | GC/QMS | 3-4 min | <10% | <2 pptv | <4 pptv |
| CS2 | A | GC/QMS | 3-4 min | <10% | 0.15 pptv | 0.2 pptv |
| PAN | L | GC/ECD | 150 s | ±20% | ±10% | 2 pptv |
| PPN | L | GC/ECD | 150 s | ±25% | ±10% | 2 pptv |
| C2Cl4 | L | GC/ECD | 150 s | ±15% | ±10% | 0.5 pptv |
| HNO3 | M | aqueous scrubber/IC | 15-40 min | 12% | 25% | 5 pptv |
| HCOOH | M | aqueous scrubber/IC | 15-40 min | 15% | 15% | 10 pptv |
| CH3COOH | M | aqueous scrubber/IC | 15-40 min | 15% | 18% | 15 pptv |
| CH3(CO)COOH | M | aqueous scrubber/IC | 15-40 min | 15% | 20% | 10 pptv |
| Chloride | M | filter/IC | 15-50 min | 15% | 35% | 30 pptv |
| Nitrate | M | filter/IC | 15-50 min | 15% | 10% | 5.0 pptv |
| Oxalate | M | filter/IC | 15-50 min | 15% | 15% | 2.0 pptv |
| Phosphate | M | filter/IC | 15-50 min | 15% | 25% | 20 pptv |
| Sulfate | M | filter/IC | 15-50 min | 15% | 10% | 9.0 pptv |
| Methylsulfonate | M | filter/IC | 15-50 min | 15% | 15% | 1.0 pptv |
| Ammonium | M | filter/IC | 15-50 min | 15% | 15% | 25 pptv |
| Sodium | M | filter/IC | 15-50 min | 15% | 35% | 40 pptv |
| Potassium | M | filter/IC | 15-50 min | 15% | 20% | 17 pptv |
| Magnesium | M | filter/IC | 15-50 min | 15% | 10% | 6.0 pptv |
| Calcium | M | filter/IC | 15-50 min | 15% | 15% | 14 pptv |
| Aluminum | M | filter/IC | 15-50 min | 15% | 20% | 75 pptv |
| Vanadium | M | filter/IC | 15-50 min | 15% | 10% | 0.05 pptv |
| 7Be | M | filter/gama spectroscopy | 15-50 min | 15% | 15% | 10 fCi/scm |
| 210Pb | M | filter/alpha spectroscopy | 15-50 min | 15% | 10% | 0.1 fCi/scm |
| F | I | grab sample/GG | 15-75 s | 3% | 0.7% | 1.0 pptv |
| F | I | grab sample/GG | 15-75 s | 4% | 0.8% | 1.0 pptv |
| F | I | grab sample/GG | 15-75 s | 5% | 1.4% | 1.0 pptv |
| CH3CCl3 | I | grab sample/GG | 15-75 s | 10% | 3.8% | 1.0 pptv |
| CCl4 | I | grab sample/GG | 15-75 s | 5% | 1.7% | 1.0 pptv |
| C2C14 | I | grab sample/GG | 15-75 s | 10% | 4.2% | 1.0 pptv |
| Ethane | I | grab sample/GG | 15-75 s | 5% | 3% | 3 pptv |
| Ethene | I | grab sample/GG | 15-75 s | 10% | 5%/3 pptv | 3 pptv |
| Propane | I | grab sample/GG | 15-75 s | 5% | 3% | 3 pptv |
| Propene | I | grab sample/GG | 15-75 s | 10% | 5%/3 pptv | 3 pptv |
| i-butane | I | grab sample/GG | 15-75 s | 5% | 3%/3 pptv | 3 pptv |
| n-butane | I | grab sample/GG | 15-75 s | 5% | 3%/3 pptv | 3 pptv |
| Ethyne | I | grab sample/GG | 15-75 s | 5% | 3% | 3 pptv |
| 1-butene | I | grab sample/GG | 15-75 s | 10% | 5%/3 pptv | 3 pptv |
| i-pentane | I | grab sample/GG | 15-75 s | 5% | 3%/3 pptv | 5 pptv |
| n-pentane | I | grab sample/GG | 15-75 s | 5% | 3%/3 pptv | 5 pptv |
| 1-pentene | I | grab sample/GG | 15-75 s | 10% | 5%/3 pptv | 3 pptv |
| n<-hexane | I | grab sample/GG | 15-75 s | 5% | 3%/3 pptv | 3 pptv |
| Isoprene | I | grab sample/GG | 15-75 s | 10% | 5%/3 pptv | 3 pptv |
| Benzene | I | grab sample/GG | 15-75 s | 10% | 5%/3 pptv | 3 pptv |
| Toluene | I | grab sample/GG | 15-75 s | 10% | 5%/3 pptv | 3 pptv |
| Ethane | K | grab sample/GC | 20 s | 10% | 3% | 4 pptv |
| Ethene | K | grab sample/GC | 20 s | 10% | 3% | 4 pptv |
| Acetylene | K | grab sample/GC | 20 s | 10% | 3% | 4 pptv |
| Propane | K | grab sample/GC | 20 s | 10% | 3% | 4 pptv |
| Propene | K | grab sample/GC | 20 s | 10% | 3% | 4 pptv |
| n-butane | K | grab sample/GC | 20 s | 10% | 3% | 4 pptv |
| Isobutane | K | grab sample/GC | 20 s | 10% | 3% | 4 pptv |
| UV radiation | B | photocell/Eppley radiometer | 10 s | ±5% | 2% | 0.005 mw cm-2 mv-1 |
| Housekeeping data | N | DC-8 aircraft | 10 s |
A. Alan Bandy, Drexel University;
B. John Barrick, NASA (Langley Research Center);
C. John Bradshaw, Georgia Institute of Technology;
D. Edward Browell, NASA (Langley Research Center);
E. Gerald Gregory, NASA (Langley Research Center);
F. Brian Heikes, University of Rhode Island;
G. Kenneth Kelly, NOAA;
H. Yutaka Kondo, Nagoya University;
I. Sherry Rowland, University of California. Irvine;
J. Glen Sachse, NASA (Langley Research Center);
K. Fumio Sakamaka, National Institute for Environmental Studies;
L. Hanwant Singh, NASA (Ames Research Center);
M. Robert Talbot,University of New Hampshire;
N. DC-8 Aircraft, NASA (Ames Research Center).
a Applicable to midtroposphere(3.5 - 5.5 km).
bVertical averaging interval = 300 m (nadir) and 600 m
(zenith); horizontal averaging =180 s ~36 km.
cVertical sampling interval = 60 m; horizontal
sampling interval = 2 s ~36 km.
d For total aerosol particle count > 100 particles
in 10 s.
erange = 0.12 - 3.12 m diameter
f Size range = 0.5 - 8 m diameter