Fenthion, 100 µg/ml, Acetonitrile, 5ml

n-Octadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 593-45-3

1,2,3,4-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

Sodium 2-Methyl-2-propene-1-sulfonate, 25g