Table 1.

Retention times R_t (min), LODs (ppb), RSDs (%), coefficients of variation (R²), linear ranges (ppb) of compounds under study and levels of species in the multicompound test mixture. Compounds are ordered with respect to retention time

VOC	CAS	Rt [min]	Test mixture level [ppb]	RSD [%]	LOD [ppb]	R2	Linear range [ppb]	Quantifier ion
Isobutane	75-28-5	10.90	6	6.7	0.32	0.998	1–30	43
2-Butene, (E)	624-64-6	11.01	—	1.8	0.3	0.995	1–17	56
2-Butene, (Z)	590-18-1	11.11	—	3	0.3	0.994	1–22	56
Acetonitrile	75-05-8	11.44	42	7.4	4	0.999	12–62	41
n-Butane	106-97-8	11.85	6.2	4.3	0.19	0.987	0.63–25	43
Furan	110-00-9	13.39	12	2.1	0.22	0.999	0.6–22	68
Propanal	123-38-6	13.51	22	2.6	0.6	0.997	2–45	58
Acetone	67-64-1	13.65	720	2.6	0.74	0.999	3–1000	58
Dimethyl sulfide	75-18-3	14.33	10	1.5	0.1	0.999	0.3–30	62
Methyl acetate	79-20-9	15.06	12	2.2	0.14	0.999	0.4–25	43
Ethyl ether	60-29-7	15.94	8	1.2	0.29	0.999	1–20	74
Isoprene	78-79-5	16.10	106	1.3	0.1	0.999	0.5–175	67
2-Pentene, (E)	646-04-8	16.32	8	1.6	0.1	0.999	0.4–10	55
2-Pentene, (Z)	627-20-3	16.48	5	2.5	0.14	0.998	0.3–6	55
n-Pentane	109-66-0	16.57	6.2	1.6	0.11	0.996	0.4–25	43
Dimethyl selenide	593-79-3	16.76	10	3	0.23	0.998	0.6–12.2	95
2-Propenal, 2-methyl-	78-85-3	16.98	—	1	0.11	0.998	0.4–29	70
Propanal, 2-methyl-	78-84-2	17.25	—	6.5	0.26	0.997	0.8–15.7	43
3-Buten-2-one	78-94-4	17.59	—	5	0.19	0.998	0.6–23	55
Butanal	123-72-8	18.03	—	3	0.4	0.988	1.2–12	72
Furan, 2-methyl-	534-22-5	18.10	7	2	0.1	0.998	0.3–18	82
2-Butanone	78-93-3	18.20	9	7	0.13	0.997	0.4–36	43
Furan, 3-methyl-	930-27-8	18.39	—	3	0.15	0.997	0.4–20	82
Ethyl acetate	141-78-6	18.96	8	2.2	0.13	0.996	0.4–17	43
Thiophene	110-02-1	19.93	9	3.3	0.15	0.999	0.45–21	84
1-Pentene, 2-methyl-	763-29-1	19.95	—	3.2	0.1	0.999	0.3–15	56
Pentane, 2-methyl-	107-83-5	20	9.5	1	0.18	0.999	0.55–11	43
Pentane, 3-methyl-	96-14-0	20.19	—	1.5	0.1	0.999	0.4–12	57
1-Hexene	592-41-6	20.22	9	1.7	0.2	0.999	0.6–10	56
Benzene	71-43-2	20.38	12	3.8	0.3	0.998	1–36	78
Cyclopentane, methyl-	96-37-7	20.45	—	9	0.1	0.991	0.3–11	56
n-Hexane	110-54-3	20.70	6.2	1.6	0.12	0.995	0.4–25	57
Pyrimidine	289-95-2	21.70	10	9	0.1	0.972	0.4–28	80
2-Pentanone	107-87-9	21.98	8	2.2	0.1	0.998	0.4–24	43
Furan, 2,5-dimethyl-	625-86-5	22.04	7.5	1.4	0.08	0.999	0.3–15	96
Methyl methacrylate	80-62-6	22.11	—	1.6	0.11	0.999	0.4–18	69
n-Propyl acetate	109-60-4	22.71	—	1.3	0.15	0.999	0.5–17	43
Methyl propyl sulfide	3877-15-4	22.73	6	2.1	0.04	0.996	0.2–30	61
Thiophene, 3-methyl-	616-44-4	24.00	6.5	4.2	0.1	0.996	0.3–22	97
Toluene	108-88-3	24.30	12	2.9	0.1	0.993	0.3–30	91
Hexanal	66-25-1	25.76	5	9	0.4	0.996	1.2–10	56
n-Butyl acetate	123-86-4	26.21	6	2.1	0.4	0.995	1.2–12	56
Heptane, 4-methyl-	589-53-7	26.76	—	2.8	0.24	0.989	0.6–11.6	43
Ethylbenzene	100-41-4	27.45	—	7	0.25	0.989	0.75–13	91
n-Octane	111-65-9	27.60	8	2.8	0.1	0.998	0.3–14	85
p-Xylene	106-42-3	27.72	8.5	8	0.07	0.986	0.3–18	91
o-Xylene	95-47-6	28.03	—	6	0.15	0.991	0.4–15	91
4-Heptanone	123-19-3	28.36	5	6.3	0.06	0.978	0.2–17	71
Heptane, 2,4-dimethyl-	2213-23-2	28.98	—	5.9	0.1	0.987	0.3–8.8	85
1-Heptene, 2,4-dimethyl-	19549-87-2	29.05	—	6	0.12	0.986	0.4–9	83
Octane, 4-methyl-	2216-34-4	29.76	7	3.4	0.2	0.995	0.6–11	43
α-Pinene	80-56-8	30.81	6	8	0.46	0.985	1.4–19	93
Octanal	124-13-0	31.87	3	11	0.3	0.974	1–17	84
(+)-3-Carene	498-15-7	32.14	4	5.3	0.61	0.954	1.8–12	93
p-Cymene	99-87-6	32.67	7	5.7	0.1	0.973	0.4–21	119
D-Limonene	5989-27-5	32.88	9	6	0.45	0.954	1.4–18	68
n-Decane	124-18-5	33.21	7	9	0.4	0.978	1.2–17	57
Eucalyptol	470-82-6	33.46	8.5	6.1	1	0.986	3–25	43
n-Dodecane	112-40-3	36.22	—	8	0.5	0.964	1.5–15	71