Clopyralid, 100 µg/ml, Acetonitrile, 5ml

d2 C26 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no.

2,2',3,3',4,5,5',6,6'-Nonachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Acenaphthylene, 1000µg/ml in Acetonitrile, 1ml