Bentazone, 10.0 µg/ml, Acetonitrile, 10ml

4.4'-DDE (13C12), 100µg/ml in n-Nonane, 1,2ml

2-Phenyl-1H-benzimidazole, neat, Solvent-neat, Unit 10MG, # of units-1, Cas.no. 716-79-0

n-Pentadecane, ?13C: -30.22, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 629-62-9