Table 3.

The effects of beam angle and RH on a 10⁵ inoculum of B. subtilis at a target distance of 12.7 cm, exposure of 5 min, and temperature of 23–24°C.

RH (%)		Position 1 (Left)			Position 2 (Center)			Position 3 (Right)
		µWs/cm²	CFU	Log Reduction	µWs/cm²	CFU	Log Reduction	µWs/cm²	CFU	Log Reduction
High RH	81	30,900	9	4.0	512,100	0	5	33,000	3	4.5
	80	30,600	4	4.4	487,500	0	5	32,400	2	4.7
	80	29,700	4	4.4	477,000	1	5	33,300	4	4.4
	79	33,000	9	4.0	536,100	1	5	35,100	8	4.1
	79	34,500	5	4.3	537,600	0	5	34,500	14	3.9
	79	33,000	4	4.4	533,700	0	5	35,400	0	5
Low RH	19	29,400	42	3.4	524,400	2	4.7	43,500	20	3.7
	19	27,300	26	3.6	517,200	0	5	41,400	10	4.0
	18	31,800	9	4.0	514,200	1	5	36,600	8	4.1
	19	34,200	7	4.2	519,600	0	5	35,700	8	4.1
	19	33,600	2	4.7	516,000	0	5	35,700	6	4.2
	18	31,800	5	4.3	513,600	1	5	35,700	1	5.0
Medium RH	47	38,100	13	3.9	559,800	0	5	36,900	3	4.5
	51	35,400	7	4.2	545,400	0	5	38,700	5	4.3
	54	34,800	1	5.0	535,500	0	5	37,800	8	4.1