Figure 5
Comparison of ambient levels of select alkanes, “aromatics, and alkenes” using our data from Erie/Longmont 2013 and March–May measurements from Denver and Platteville in 2013 performed by CDPHE. The bars represent the mean of available data and error bars represent the 1-sigma standard deviation.
Mean ambient mole fractions for select NMHC in Denver, Erie/Longmont, and Platteville.

Comparison of ambient levels of select alkanes, “aromatics, and alkenes” using our data from Erie/Longmont 2013 and March–May measurements from Denver and Platteville in 2013 performed by CDPHE. The bars represent the mean of available data and error bars represent the 1-sigma standard deviation.

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