Some Insights into Analytical Bias Involved in the Application of Grab Sampling for Volatile Organic Compounds: A Case Study against Used Tedlar Bags

Table 1

Basic information of the target volatile organic compounds (VOCs) investigated in this study.

(a) Polar compounds

Order	Compounds	Acronym	Formula	CAS	Structure
1	Acetaldehyde	AA	C2H4O	75-7-0
2	Acetamide	ATM	C2H5NO	60-35-5
3	Acetic acid	AAD	C2H4O2	64-19-7
4	Acetone	AT	C3H6O	67-64-1
5	Acetonitrile	AN	C2H3N	75-05-8
6	Butanal	BT	C4H8O	123-72-8
7	Dichloromethane	DC	CH2Cl2	75-09-2
8	Ethyl acetate	EAC	C4H8O2	141-78-6
9	Ethyl alcohol	EA	C2H5OH	64-17-5
10	Isopropyl alcohol	IA	C3H8O	67-63-0
11	3-methylbutanal	MB	C5H10O	390-86-3
12	Methyl ethyl ketone	MEK	C4H8O	78-93-3
13	n-pentanal	PT	C5H10O	110-62-3
14	Phenol	PH	C6H6O	108-95-2
15	Tetrahydrofuran	THF	C4H8O	109-99-9

(b) Nonpolar compounds

Order	Compounds	Acronym	Formula	CAS	Structure
1	Benzene	B	C6H6	71-43-2
2	Carbonyl sulfide	COS	COS	463-58-1
3	Dioxolane	DO	C3H6O2	646-06-0
4	Ethylbenzene	EB	C8H10	100-41-4
5	Isobutene	IB	C4H8	115-11-7
6	Methyl acetate	MA	C3H6O2	79-20-9
7	n-Dodecane	DD	C12H26	112-40-3
8	n-Octane	OT	C8H18	111-65-9
9	p-Xylene	p-X	C8H10	106-42-3
10	Toluene	T	C7H	108-88-33