Disulfoton, 10.0 µg/ml, Acetonitrile, 10ml

EPA Method 610 PAH Mix, in MeCH:MeOH, 1ml

Sodium tetraethylborate, neat, Solvent-neat, Unit 1g, # of units-2, Cas.no. 15523-24-7

Pentacosanoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.