Table 1.

Overview of efficacy test methodology and organisms for 3 chlorine disinfectants with and without color additive

Test Substances	Test Organisms	Contact Time	Test Method	Study ID Number
0.5% sodium hypochlorite vs. 0.5% sodium hypochlorite with color additive	Staphylococcus aureus (ATCC 6538)	10 min ± 5 sec	AOAC 961.02	GLP1540+GLP1550
	Human coronavirus 229E (ATCC VR-740)	10 min ± 5 sec	ASTM E1053	GLP1536+GLP1538
	Pseudomonas aeruginosa (ATCC 15442)	5 min ± 5 sec	ASTM E1153	NG8698*
0.2% calcium hypochlorite vs. 0.2% calcium hypochlorite with color additive	Vibrio cholerae (ATCC 39050)	3 min ± 5 sec	ASTM E2315	NG8285
	Vibrio cholerae (ATCC 39050)	3 min ± 5 sec	ASTM E2315	NG9676*
	Pseudomonas aeruginosa (ATCC 15442)	5 min ± 5 sec	ASTM E1153	NG8698*
0.5% NaDCC control vs. 0.5% NaDCC with color additive	Staphylococcus aureus (ATCC 6538)	5 min ± 5 sec	ASTM E1153	NG8156
	Pseudomonas aeruginosa (ATCC 15442)	5 min ± 5 sec	ASTM E1153	NG8156
	Pseudomonas aeruginosa (ATCC 15442)	5 min ± 5 sec	ASTM E1153	NG9375*

NaDCC = sodium dichloroisocyanurate.

^*Studies in which the test substances were prepared and left at room temperature for four hours prior to efficacy testing.