N-Nitroso-N-ethylaniline, 100μg/ml in MeOH, 5ml

O,O-Diethylthiophosphate, sodium salt, 1000µg/ml in MeOH, 1ml

2,2',3,3',4,5,5',6-Octachlorobiphenyl,neat,neat,5mg,

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