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Table 1 Retention times, quantification ions, and qualification ions for insecticide residue analyses by GC-MS.

From: Exposure risks and ineffectiveness of total release foggers (TRFs) used for cockroach control in residential settings

Insecticide Retention time (min) Quantification ion Qualifying ion
Fipronil 23.00 367 213
Piperonyl butoxide 28.90 176 149
Tetramethrin 29.95–30.30 164 123
Permethrin (cis- and trans-) 35.35–35.80 183 163
Cypermethrin 38.50–39.40 163 181