Table 1.

VOC contents (ppb ± SEM) inside the plastic packages of sanitary pads

Brands	n	Methylene Chloride	Toluene	o-Xylene	m-Xylene	p-Xylene
1	5	BD	0.235 ± 0.059	0.017 ± 0.005	0.012 ± 0.004	0.015 ± 0.005
2	5	0.028 ± 0.012*	0.836 ± 0.351	0.263 ± 0.066	0.192 ± 0.047*	0.278 ± 0.077*
3	5	BD	5.23 ± 0.914*	0.276 ± 0.071	0.086 ± 0.025	0.084 ± 0.025
4	5	BD	5.471 ± 2.438*	0.287 ± 0.101	0.095 ± 0.029	0.103 ± 0.038
5	5	BD	0.427 ± 0.225	0.048 ± 0.019	0.027 ± 0.009	0.034 ± 0.011
6	4	0.008 ± 0.008	0.205 ± 0.069	0.127 ± 0.049	0.09 ± 0.033	0.132 ± 0.048
7	3	BD	0.107 ± 0.014	0.008 ± 0.004	0.002 ± 0.002	0.004 ± 0.002
8	4	BD	0.005 ± 0.003	0.003 ± 0.001	0.001 ± 0.001	0.002 ± 0.001
9	4	BD	0.635 ± 0.365	0.277 ± 0.195	0.136 ± 0.09	0.12 ± 0.081
10	4	BD	BD	0.008 ± 0.003	0.003 ± 0.002	0.003 ± 0.002
11	4	BD	BD	BD	BD	0.001 ± 0.001

^*significantly different from the average concentration of all sanitary pads

BD, below detection limit (detection limit, 0.001 ppb for each VOCs)