TABLE 2.

Reduction of Legionella spp. in soil when exposed to a citrus EO vapor for 24 h^a

Citrus EO vapor concn (mg/liter)	Mean log reduction ± SE
	L. longbeachae	L. bozemanii	L. pneumophila
0 (control)	1.2 ± 0.2	1.05 ± 0.28	0.56 ± 0.22
3.75	1.47 ± 0.18	1.42 ± 0.32	0.55 ± 0.23
7.5	1.65 ± 0.16	1.71 ± 0.25	0.64 ± 0.24
15	1.53 ± 0.22	7.88 ± 0	0.7 ± 0.41

^an = 3.