EPA Method 8250Mix #9

Carbophenothion, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 786-19-6

n-Octylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1795-15-9

2-Ethyl-1-butanol