EPA Method 551Mix “A”

3 Fluorinated Internal Standard Mix S-4169 3 Analytes, each Wt.% as listed Units : 1x10mL, 5x10mL Name Wt.% Fluorobenzene 39,7 1-Ethyl-4-fluorobenzene 39,3 1-Fluoronaphthalene 20,9

Di-iso-nonyl adipate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33703-08-1

Protriptyline hydrochloride ,1000 µg base/mL,MeOH,1mL,