EPA Method 8260B - Purgeable Internal Std

Pyridoxine hydrochloride, 1000mg

Dexamethasone, certified, 0.1g

Daily Quality Control Standard (with Internal Standard) 15 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 11 Ethylbenzene