2,2',5,5'-Tetrachlorobiphenyl-3,4,6-d3

2-Hydroxydibenzothiophene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 22439-65-2

Benzo[a]pyrene-d12,400µg/mL,cyclohexane,1mL,

Acetochlor, 1000µg/ml in MeOH, 1ml