Imidacloprid olefin, 10.0 µg/ml, Acetonitrile, 5

n-Pentadecane-d32, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 36340-20-2

2,3',4,5,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

15N3-Atrazine, 100 µg/ml, Acetonitrile, 1ml