EPA Method 502/524 Volatile Standard

Propiconazole, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 60207-90-1

Methamidophos D6, 10mg

2,2',3,3',4',5,6-Heptachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-70-4