4,4-DDD standard

Benzo[e]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 205440-82-0

4-Acetylbenzoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 586-89-0

Perfluoro-n-tridecanoic acid, 1.2ml x 50ug/ml, methanol