3-Hydroxy-Imidacloprid, 100 µg/ml, Acetonitrile,

1H,1H,2H,2H-Perfluorooctanesulfonic acid; 6:2FTS, 97%, 5g

7-Nitrodibenz[a,h]anthracene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 63041-91-8

Spiking Standard 1