Calibration Standard 1

DL-N-Nitrosonornicotine-d4, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 66148-19-4

1,6-Dinitropyrene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 42397-64-8

Imazamethabenz-methyl