Tri-n-hexyl phosphate,1000 µg/mL,MeOH,1mL,

2,2',3,4',5,5',6-Heptachloro-4-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

2,5-Dibromophenol, 1.2ml x 100ug/ml, toluene

Isobutanol