Table 1.

The quantifier and qualifier ions for target analytes, including the internal standard.

Target analyte	Quantifier ion (m/z)	Qualifier ions (m/z)
Methanol	31	Qualifier ion 1: 32 Qualifier ion 2: 29
Ethanol	45	Qualifier ion 1: 46 Qualifier ion 2: 29
Isopropyl alcohol	43	Qualifier ion 1: 41 Qualifier ion 2: 59
2-Butanol (Internal standard)	59	Qualifier ion 1: 41 Qualifier ion 2: 31