Determination of Haloacetic Acids in Bottled and Tap Water Sources by Dispersive Liquid-Liquid Microextraction and GC-MS Analysis

Table 3

Application of the proposed method on bottled water and tap water sources.

	Average concentrations (µg/L)
Analyte	Tap water sources			Bottled water sources
	B822	PS	PS23	KS	NEST	NOVA	PURE
MCAA	0.69	0.66	0.70	0.63	0.72	0.71	0.75
MBAA	0.65	0.70	0.75	0.70	0.60	0.57	0.76
DCAA	0.64	0.54	0.56	0.54	0.53	0.55	0.65
TCAA	0.61	0.53	0.53	nd	0.58	nd	0.74
BCAA	0.62	0.50	0.52	0.61	0.58	0.55	0.82
DBAA	0.62	0.62	0.59	0.62	0.60	0.59	1.58

Nd: not detected.