Organochlorine pesticides standard

Tetraphenylrecorcinol bis(diphenylphosphate), 99% (LC)

1,3-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31317-15-4

Chrysene-d12, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1719-03-5