EPA Method 551.1 Performance Check Soln

Carbofuran-3-hydroxy, 10.0 µg/ml, Acetonitrile,

Propandiamine-1,2-13C2, , Solvent-, Unit , # of units-, Cas.no. 108-13-4 (unlabelled)

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