EPA Method 8260B Mix #4

Benzofuran, 1000µg/mL, Solvent-n-hexane, Unit 1mL, # of units-1, Cas.no. 271-89-6

Tri-n-octyltin chloride, 1000µg/mL, Solvent-methanol, Unit 5mL, # of units-1, Cas.no. 2587-76-0

Mevinphos