Dichloroacetic Acid-d2, 100mg

Methyl-4-hydroxybenzoate, 1000µg/ml in MeOH, 1ml

1-Methyl-4-nitronaphthalene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 880-93-9

Mass-Labelled PCB Solution, 1.2ml x 20ng/ml, nonane