Table 2.

Experimental conditions and concentrations of chlorinated triclosans in the transformation study of triclosan in seawater matrix in the presence of active chlorine.

Triclosan conc.a (μg/mL)	Active chlorine conc. (μg/mL)	Condition of light	Duration	Results of sample analysis (n = 3)
				Tetraclosan1 (pg/mL)	Tetraclosan2 (ng/mL)	Tetraclosan3 (ng/mL)	Pentaclosan1 (pg/mL)	Pentaclosan2 (ng/mL)
0.2	2.0	Darkb	0 min	0	0	0	0	0
	2.0	Dark	60 min	12.0 ± 0.8	14.3 ± 1.1	53.6 ± 3.2	58.0 ± 3.5	69.2 ± 3.9
	2.0	Dark	120 min	43.0 ± 3.7	16.3 ± 1.8	38.3 ± 2.0	69.0 ± 4.3	78.8 ± 6.3
	2.0	Dark	240 min	32.0 ± 2.2	10.9 ± 0.6	28.0 ± 2.9	65.0 ± 5.6	67.0 ± 6.6
	2.0	Dark	960 min	8.0 ± 1.1	8.5 ± 0.5	25.3 ± 1.7	30.0 ± 2.6	29.8 ± 2.8
	2.0	Dark	2 days	10.0 ± 0.9	9.3 ± 0.6	13.5 ± 1.0	12.0 ± 0.9	20.7 ± 1.8
	2.0	Dark	8 days	5.0 ± 0.6	6.7 ± 0.5	9.6 ± 1.1	8.0 ± 0.3	15.6 ± 1.3
	2.0	Dark	32 days	3.0 ± 0.4	3.2 ± 0.2	7.3 ± 0.3	15.0 ± 0.8	16.5 ± 1.9
	2.0	Dark	64 days	4.0 ± 0.5	1.6 ± 0.2	4.6 ± 0.4	6.0 ± 0.6	12.4 ± 0.8
0.2	2.0	365 nm	0 min	0	0	0	0	0
	2.0	365 nm	60 min	25.0 ± 3.2	20.7 ± 1.6	54.2 ± 3.2	18.0 ± 1.2	28.2 ± 2.1
	2.0	365 nm	120 min	46.0 ± 4.0	15.6 ± 1.8	46.2 ± 2.8	22.0 ± 1.9	32.2 ± 3.6
	2.0	365 nm	240 min	32.0 ± 2.8	9.7 ± 0.9	45.1 ± 3.8	21.0 ± 1.5	28.6 ± 1.8
	2.0	365 nm	960 min	12.0 ± 0.6	2.0 ± 0.1	26.7 ± 1.9	8.0 ± 0.5	12.9 ± 1.6
2.0	20	365 nm	0 min	0	0	0	0	0
	20	365 nm	60 min	380.0 ± 27.0	198.3 ± 22.3	468.3 ± 25.0	340.0 ± 23.0	304.5 ± 28.0
	20	365 nm	120 min	420.0 ± 25.3	165.2 ± 18.7	410.9 ± 30.2	460.0 ± 34.5	365.3 ± 29.3
	20	365 nm	240 min	270.0 ± 18.2	100.6 ± 7.8	320.4 ± 19.7	350.0 ± 28.0	298.6 ± 22.1
	20	365 nm	960 min	130.0 ± 5.6	56.7 ± 1.9	210.5 ± 16.8	230.0 ± 8.6	130.5 ± 10.5

^aTotal volume is 500 ml. ^bGlass bottles were wrapped with aluminum foil.