Phosfolan, 100 µg/ml, Cyclohexane, 1ml

PCB No. 189, 10µg/ml in Isooctane, 10ml

4-tert-Butyl-d9-phenol-2,3,5,6-d4,1000 µg/mL,isopropanol,1mL,

Boscalid (Nicobifen), 100µg/ml in Acetonitrile, 5ml