Table 2.

Inhibitory effect of SAIW on viability of Gram-negative bacteria ^a.

Bacteria	Treatment	Time of exposure (seconds)
		0	30	300	900
Escherichia coli	Control	8.6 × 105	– b	–	1.1 × 106
	SAIW	–	<10 c	<10	<10
Salmonella arizonae	Control	7.6 × 102	–	–	–
	SAIW	–	<10 c	<10	<10
Legionella pneumophila	Control	1.4 × 107	–	–	2.0 × 107
	SAIW	–	5.9 × 104	<100 c	<100

^aViable bacterial cells were determined as CFU/ml.

^bNot tested.

^cBelow the limit of detection.