1,2,4-Trimethylbenzene, 1ml

Melamine, 250mg

Fenthion, 10µg/mL in Cyclohexane, 10ml

epsilon-HCH (BHC), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 6108-10-7