Pentaerythrityl tetranitrate, 100 µg/ml, Acetonit

Bis-(2-ethylhexyl)-terephthalate, 100μg/ml in Isooctane, 5ml

1,413 µS/cm conductivity solution (230mL)

2,2',4,4',5,5'-Hexabromobiphenyl, 1.2ml x 50ug/ml, nonane