beta-HCH, 100 µg/ml, Ethyl acetate, 5ml

Perfluoro-3,7-dimethyloctanoic acid, 50µg/ml in MeOH, 1,2ml

2-Ethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 13925-00-3

2-(4-Aminobenzyl)aniline, 10mg