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

9,10-Dihydro-9-Oxa-10-Phospaphenantrene-10-Oxide, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 35948-25-5

Phthalic acid, bis-2-ethylhexyl ester D4, 100µg/mL in Cyclohexane, 1ml

3-Chlorotoluene