Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml

Ethyl sulfate-d5 sodium salt,1000 µg ethyl sulfate/mL,MeOH,1mL,

2-Perfluorohexyl ethanoic acid (6:2), 50µg/ml in Isopropanol, 1,2ml

Vinyl chloride, 1000µg/mL in MeOH, 10ml