Heptachlor, 100 µg/ml, Methanol, 1ml

1-(3,4-Dichlorophenyl)-3-methylurea, 250mg

CLP Semi-Volatile Acid Surrogate Standard

3-Fluoro-4,4'-dichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.