Table 3. Volatility as measured by total weight lost and release rates for 12 essential oils in 2 mL vials with 3 mm holes in lids held in a fume hood at 22 °C ± 1 °C.

Essential oil	Density (mg μL−1)	Decrease in weight (mg)a		Release rate (mg h−1)
		96 h		0–6 h	6–24 h	24–96 h
Peppermint	0.84	4.1	g	0.07	0.05	0.05
Geranium	0.92	7.8	fg	0.23	0.12	0.06
Citronella	0.81	11.9	efg	0.78	0.22	0.06
Lavender	0.76	13.7	defg	0.89	0.15	0.08
Ginger	0.85	18.5	def	0.27	0.21	0.18
Eastern white cedar	0.85	24.0	de	0.42	0.31	0.22
Thyme	0.79	24.7	d	1.17	0.21	0.19
Eucalyptus	0.91	36.7	c	0.60	0.38	0.36
Rosemary	0.82	46.6	bc	0.73	0.40	0.43
White spruce	0.89	50.1	b	0.66	0.46	0.64
Balsam fir	0.74	55.7	ab	0.76	0.59	0.56
White pine	0.73	63.6	a	1.13	0.65	0.63

^aMeans followed by the same letter are not significantly different, Tukey’s HSD, P > 0.05.