Sodium (Na), 1000µg/ml in 2%-HNO3/Water, 100ml

Demeton S, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 126-75-0

Etrimfos, certified, 0.1g

EPA Method 8240A - Purgeable Surrogate Std