EPA Method 8021B Internal Standard

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

Tonalide, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 21145-77-7

Fluroxypyr, 10.0 µg/ml, Acetonitrile, 10ml