Surrogate Standard

2-(4-[Methylthio]phenyl)-1H-benzimidazole, neat, Solvent-neat, Unit 10MG, # of units-21, Cas.no. 725701-22-4

DEET, 100µg/mL in Methanol, 1ml

PCB-Mix 2, 10µg/mL in Cyclohexane, 10ml