Paraoxon-ethyl, 100 µg/ml, Ethyl acetate, 5ml

9,10-Dihydroanthracene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 613-31-0

Benzo[b]fluoranthene-d12, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 93951-98-5

Dibenzo[a,i]pyrene-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 158776-07-9