Demeton-S-methyl-sulfone, 100 µg/ml, Toluene, 1m

Estrone-2,4,16,16-d4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 53866-34-5

Dow FR-250, 35 µg/mL in Isooctane, 1ml

Mass-Labelled PCB Mixture, 5.00µg/mL in Nonane/7% toluene, 1,2ml