Crotoxyphos, 10 µg/ml, Isooctane, 1ml

2,2'-Ethylidenebis(4,6-di-tert-butylphenol), 250mg

EPA Method 525.2 - 526 Internal Standard

Bis(2-ethylhexyl) adipate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 103-23-1