Perfluoro-4-oxapentanoic acid (PFMPA), 50µg/ml in MeOH, 1,2ml

n-Butyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219798-67-0

Nonadecanoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 646-30-0

D12-Benzo[a]pyrene, 100 µg/ml, Cyclohexane, 1ml