2,3',4',5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

4-tert-Ocylphenol-13C6, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no.

Diisopropylnaphthalene (mixture of isomers), certified, 0.1g

Metazachlor, 100µg/mL in Acetonitrile, 1ml