Isoproturon-desmethyl, 100mg

Di-n-octyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,1mL,

2,2',3,3',4,5,5'-Heptachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

Perfluorohexanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 307-24-4