Endrin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 72-20-8

3-Methyl-2-nitrophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 4920-77-8

2',3',4',5'-Tetrachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

Carbofuran-3-hydroxy, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 16655-82-6