Date: 9 Dec 1995 Time Sent: 10:25E Summer Reported by: John Gras CHECK IF COMMENTS/ OPERATIONAL CUT TIME OFF-LINE ------------ ------------------- CN, TSI 3020 Static thermal gradient CCN Counter Continuous record of CCN at 0.5% PMS ASASP-X TSI 3071 Particle number size distribution using an UDMPS TDMA measurements of hygroscopic growth Light scattering & backscattering fraction, 2 nephelometers Magee Scientific Aethalometer TSI 3760 CN counter Gras Hivol, PM10 Size selected filter stack SO2 Saltzman NH3 Whung, AOML DMS, automated gas chromatography Radon (222) Spectral optical depth Aerosol chemical composition using mass spectrometry Daily MOUDI samples Six-stage hi-vol cascade impactor Sievering Bulk filter concentrations every three hours NOx, NMHC, O3 Peroxides and aldehydes Stable sulfur isotopes Single particle analysis using TEM/SEM/EDXA Single particle analysis using MassSpec APS ISS -operational
OTHER COMMENTS:
No change in instrument status since last report. Athough winds were marginally baseline or non-baseline most of yesterday some periods with clean maritime air were encountered. Today is clearly continental pre-frontal air from a local easterly direction.
John