Phorate-oxon-sulfone, 100 µg/ml, Acetonitrile, 1

4-Chlorotetrahydropyran,1000 µg/mL,MeOH,1mL,

Amaranth, certified, 0.25g

1,2,7,9-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,