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. Author manuscript; available in PMC: 2016 May 1.
Published in final edited form as: Atmos Environ (1994). 2015 Feb 24;109:61–69. doi: 10.1016/j.atmosenv.2015.02.056

Table B1.

Acrolein levels of the field blanks in three Olympic period and the whole period

Pre-Olympics During-Olympics Post-Olympics Whole period
N 7 8 3 24
Mean 0.6 0.7 0.8 0.7
Standard deviation 0.3 0.6 0.7 0.5