2,3,6-Tribromophenol, 1.2ml x 100ug/ml, toluene

2,3,3',4',5,5',6-Heptachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Malathion, 1000µg/ml in Hexane 1ml

Salicylic Acid-13C6, 1mg