Ipronidazole-hydroxy, 100 µg/ml, Methanol, 1ml

Ethalfluralin, 100 µg/ml, Acetonitrile, 5ml

2,5-Dimethylpyrazine, Research grade, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 123-32-0

PCB No. 209, 100µg/mL in Isooctane, 10ml