Heptachlor-endo-epoxide (trans-, isomer A), certified, 10mg

Methyl hexadecanoate (Methyl palmitate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-39-0

1,2-Bis(pentabromophenyl)ethane, 1.2ml x 25ug/ml, toluene

MA - EPH Matrix Spike Rev 1.0/1.1