Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane

Dibenz[a,h]anthracene-d14, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 13250-98-1

Paraoxon-methyl, 100 µg/ml, Toluene, 5ml

Isoviolanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 4430-29-9