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. 2013 Feb 5;8(2):e55535. doi: 10.1371/journal.pone.0055535

Table 2. Limit of detection (LOD), limit of quantification (LOQ), linear dynamic range and precision (% RSD) of the analytical methods used.

Compound LOD (ng) LOQ (ng) Linear dynamic range (ng) RSD (%)
ATD/GC/MS Method 1
Aromatic hydrocarbons
Benzene 1.9 6.25 6.25–1250 19
Ethylbenzene 1.9 6.25 6.25–1250 13
m,p-Xylene 3.8 12.5 12.5–2500 20
o-Xylene 1.9 6.25 6.25–1250 20
Styrene 0.04 0.12 0.2–40 11
Toluene 1.9 6.25 6.25–625 20
1,2,4-Trimethylbenzene 0.02 0.06 0.1–20 13
Naphtalene 0.6 2 2–400 11
Phenol 0.4 1.3 1.5–300 18
Halogenated hydrocarbons
1,1,1-Trichloroetane 0.2 0.8 1–200 5
Trichloroethylene 0.6 2 2–400 11
Chloroform 0.4 1.25 1.25–250 12
1,4-Dichlorobenzene 0.1 0.3 0.5–100 19
Alcohols
Ethanol 0.6 2.1 80–16000 17
Isopropanol 1.5 4.9 10–2000 18
Propanol 1.4 4.7 5–1000 16
2-Ethyl-1-hexanol 0.2 0.7 1–200 16
2-Phenoxyethanol 0.06 0.2 0.2–40 19
Aldehyde
Acrolein 0.09 0.3 0.3–60 10
Ketones
Acetone 0.03 0.09 5–1000 15
2-Butanone 0.02 0.07 5–1000 8
Cyclohexanone 0.05 0.15 0.5–100 20
ATD/GC/MS Method 2
Aliphatic hydrocarbons
n-Hexane 3 10 10–1000 20
Cyclohexane 3 10 10–1000 9
n-Heptane 3 10 10–1000 2
n-Decane 15 50 50–1000 3
n-undecane 15 50 50–1000 5
Ethers
Ether 3 10 10–1000 2
2-Ethoxyethanol 3 10 10–1000 3
2-Butoxyethanol 15 50 50–1000 9
Halogenated hydrocarbon
1-Bromopropane 3 10 10–1000 NA
Terpene
Limonene 15 50 50–1000 13

NA: Not available.