Time duration	Samples	Concentration (ppm)	Mean number of death	% mortality	LC₅₀ ppm	95% confidence limits
Time duration	Samples	Concentration (ppm)	Mean number of death	% mortality	LC₅₀ ppm	LCL	UCL
24 h	Nanosilver	0	13	5.4	19.55	18.00	21.19
		7.5	57	23.8
		15.1	100	41.7
		30.2	158	65.8
		60.4	235	97.9
		90.6	240	100
		120.8	239	99.6
		151.0	240	100
	Aqueous extract	7.5 - 151	0	0	NA
	Silver ions	7.5 - 151	240	100	NA
48 h	Nanosilver	0	17	7.1	8.737	8.110	9.361
		7.5	177	73.8
		15.1	189	78.8
		30.2	235	97.9
		60.4	240	100
		90.6	240	100
		120.8	240	100
		151.0	240	100
	Aqueous extract	7.5 - 151	0	0	NA
	Silver ions	7.5 - 151	240	100	NA