1,2,4-Trimethylbenzene

Alachlor D13 (2,6-diethylphenyl D13), 100 ng/µl, 1.1ml

2,2',3,3',4,4'-Hexabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

Corn flour - Trace elements, 50g