Halofenozide, 10 µg/ml, Acetonitrile, 10ml

2,3,4,5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Pantoprazole sulfide,neat,neat,10mg,

Mercury, 10µg/mL in 2-5% Nitric acid, 100ml