Fig. 3. Mixing ratios of isopentane and methyl tertiary butyl ether (MTBE) during 17–21 June 1999, along with the wind speed (thin line, multiplied by 10) and direction (thick line) (see also Fig. 1).
Fig. 3. Mixing ratios of isopentane and methyl tertiary butyl ether (MTBE) during 17–21 June 1999, along with the wind speed (thin line, multiplied by 10) and direction (thick line) (see also Fig. 1).