MIC (mg/L)		Cumulative % inhibited at MIC (mg/L):
Organism (no. tested)	50%	90%	≤0.5	1	2	4	8	16
E. coli (10,361)	≤0.12	≤0.12	98.5	99.1	99.4	99.6	99.7a	99.18
Klebsiella spp. (KSP; 5,166)	≤0.12	0.25	94.4	96.0	97.5	98.6	99.3	99.7
Enterobacter spp. (2,836)	≤0.12	2	85.9	89.9	94.1	97.3	99.0	99.6
Serratte, spp (1,412)	≤0.12	0.25	95.6	97.2	98.5	99.0	99.3	99.6
P. mirabilis (1, 225)	≤0.12	≤0.12	98.6	98.9	99.0	99.3	99.5	99.7
All Enterobacteriaceae (ENT; 22,860)	≤0.12	0.25	95.5	97.0	98.1	99.0	99.5	99.7
H. influenzae (7,975)	≤0.06	0.12	99.9	100.0
P. aeruginosa (PSA; 5,517)	4	16	1.9	13.8	45.1	67.0	85.2	94.5
Oxacillin-S S. aureus(OSSA; 10,835)	2	4	0.6	2.4	68.3	99.5	100.0
S. pneumoniae (9,249)	≤0.06	1	85.3	97.4	99.7	99.9	100.0
β-haemoytic strept (2,703)	≤0.12	<0.12	99.9	100.0
viridans gr. strept. (VGS; 783)	≤0.12	1	88.8	94.1	99.7	999	100.0

^aUnderline values indicate % S.