Table 2. Summary of the Identified Pesticides’ Metabolites Extracted from the Positive Case Samples.

sample no.		name of compound	chemical structure	MWa	RTb	peak area (mean ± SDc)	major m/z ions	pesticide class
sample 1	1	butanol-O-methyl oxime	C5H11NO2	101	4.109	17 496 825 ± 0.001	41, 59, 86, 73	carbamates
	2	6-chloro pyridazinone	C4H3ClN2O	130	4.261	569 971 ± 0.102	73, 130	pyridazinone
	3	trimethylsilyl-aziridine	C8H18F3NOSi2	257	4.300	1 399 500 ± 0.07	45, 59, 73, 100, 115	organochlorine
	4	1,2,4 triazolol	C6H5N3S	151	4.624	45 239 ± 0.07	93, 151	triazole fungicides
	5	N,N-diethyl-trimethylsilyl-carbamate	C8H19NO2Si	189	5.249	151 670 413 ± 0.022	54, 59, 73, 100, 130, 174	carbamates
	6	pyrrolidine 1-nitroso	C4H8N2O	100	5.604	15 5871 ± 0.099	41, 69, 100	N-nitroso-compounds
	7	N,N-diethyl-trimethylsilyl-carbamate	C8H19NO2Si	189	5.829	1 009 547 ± 0.001	54, 59, 73, 100, 130, 174	carbamates
	8	2,2-bi-1,3-dioxolane	C6H10O4	146	5.523	136 183 ± 0.064	45, 73	carbamates
					5.907
	9	N-benzyloxy-2,2-bis(trifluoromethyl)aziridine	C11H7F6NO2	299	6.081	158 136 ± 0.002	51, 105	organochlorine
	10	xylo-hexos-5-ulose, 2,3,4,6,tetrakis-O-trimethylsilyl-bis(O-methyl oxime)	C20H48N2O6Si4	524	6.277	2 460 678 ± 0.003	73, 103, 147, 202, 364	carbamates
sample 2	1	oxime, methoxy-phenyl	C8H9NO2	151	3.993	62 239 086 ± 0.06	40, 42, 55, 74	carbamates
	2	l-(2-cyanobicyclo-(2,2,1)-hept-5-en-2-yl), dimethyl-ethyl ester carbamate	C13H18N2O2	235	5.251	126 400 865 ± 0.005	57, 59, 66, 113, 134, 178	carbamates
sample 3	1	galacto-hexodialdose, 2,3,4,5 tetrakis-O-trimethylsilyl-bis(O-methyl oxime)	C20H48N2O6Si4	525	4.098	12 824 737 ± 0.042	28, 73, 147, 160, 364	carbamates
	2	carbamate, N-(2 naphtyl)-3 pentynyl ester	C16H15NO2	253	5.257	151 670 413 ± 0.002	41, 55, 67, 115, 143, 169, 253	carbamates

^aMW, molecular weight.

^bRT, retention time.

^cSD, standard deviation.