EPA Method 8250/8250A System Performance Check

Pentachlorobenzene

Citalopram hydrobromide, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 59729-32-7

Diphenylamine, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 122-39-4