thd_vocreadme.txt VOC data from the spring 2002 International Transport and Chemical Transformation experiment at Trinidad Head CA are contained in the space-delimited ascii file thd_voc.txt. Column names for this matrix are contained in the space-delimited ascii file thd_vocname.txt. Time (the first column) is Julian day Universal time - subtract 8 hours for local (Pacific) standard time. All concentrations are reported in parts per billion (ppb) molar mixing ratio. Questions can be directed to Allen Goldstein ahg@nature.berkeley.edu or Dylan Millet millet@olc.ubc.ca