Mixed Calibration Standard 2

Tri-p-tolylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78-32-0

Mass-Labelled PCB Cleanup/Sampling Standards, 1.2ml, nonane

Prothoate, 10 ng/µl, 10ml