Pesticide Mix #23, 10µg/mL in Acetonitrile, 1ml

2-Perfluorooctyl (13C2)ethanoic acid (13C2-8:2 FTCA), 50µg/ml in Isopropanol, 1,2ml

3-Chloro-1,2-propandiol-1-monooleate

Mass-Labelled Mono-Ortho PCB Mixture, 5.00µg/mL in Nonane/8% toluene 1,2ml