o-Xylene, 5ml

Benzo[a]pyrene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 50-32-8

2,4-D,1000 µg/mL,MeOH,1mL,

Phenazone-d3 (N-methyl-d3)