1-Methylnaphthalene, 100 µg/ml, Acetonitrile, 1m

d2 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL in Isooctane, 10 x 1ml

Trixylyl phosphate, purified ion m/z 382 (tetramethyl),100 µg/mL,isooctane,1mL,

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