Table 3.

Time-weighted average BTEX room concentrations.

Duration	Benzene	Toluene	P-Xylene	Ethylbenzene	O-Xylene
	(µg/m3)	(µg/m3)	(µg/m3)	(µg/m3)	(µg/m3)
	n = 3	n = 3	n = 3	n = 3	n = 3
15 min	857 ± 32.40	1922 ± 127.5	3864 ± 48.33	4189 ± 87.11	3589 ± 48.74
45 min	958 ± 5.73	2137 ± 27.04	3831 ± 15.12	4257 ± 31.26	3510 ± 13.66
2 h	942 ± 13.36	2095 ± 36.59	3819 ± 9.60	4288 ± 91.51	3628 ± 9.42
3 h Average concentrations	919 ± 44	2051 ± 93	3838 ± 19.04	4245 ± 41.13	3576 ± 49