100 µg/mL of each analyte in Acetonitrile2-Amino-4,6-dinitrotoluene Nitrobenzene1,3-Dinitrobenzene Octogen (HMX)2,4-Dinitrotoluene 1,3,5-TrinitrobenzeneHexogen (RDX) 2,4,6-Trinitrotoluene (TNT)