SOS99NASH_WP3D_CH2O.txt read me file

//**************************************************

Principal Investigator and Contact Information:
Yin-Nan Lee
Brookhaven National Laboratory
Mail: Building 815E, Brookhaven National Laboratory, Upton, New York, 11973-5000
Email: ynlee@bnl.gov
Phone: 631-344-3294
Fax: 631-344-2887

//**************************************************

Formaldehyde measurement on board the NOAA WP3 

Technique: coil scrubbing of gaseous formaldehyde followed by DNPH derivatization and HPLC analysis, performed in an on-line and continuous fashion.

Conventration units: ppbv

Time resolution: every 2 min, continuous
Limit of detection and measurement uncertainty: both are estimated to be ~90 pptv

Data coverage*:
Flight Date
Study theme
Data Available

There is no data available for flight 6/26/99

6/30/99
Urban&subregional
No 

7/3/99
Nashville vicinity
Yes

7/4/99
PM&night 
Yes

7/6/99
Twin City study
Yes

7/7/99
Indiana & Illinois
Yes

7/11/99
Ohio River Valley
Yes

7/12/99
Cumberland&JV
Yes

7/13/99
Cumberland&JV
Yes

7/14/99
Nashville urban 
Yes

*formaldehyde concentration not available when altitude was greater than ~2500 m due to a flow problem. 

//**************************************************