2-Methylnaphthalene, 10.0 µg/ml, Acetonitrile, 1

Perfluoro-4-methylheptane sulfonate, 200ul x 1.00ug/ml, methanol

Tebutam, 10.0 µg/ml, Ethyl acetate, 10ml

Sulfite (SO32-),1000µg/mL in Water, 3 x 20ml