Fenthion-sulfoxide, 100 µg/ml, Toluene, 5ml

Metformin hydrochloride, neat, Solvent-neat, Unit 10g, # of units-1, Cas.no. 1115-70-4

Bifenox, 100 µg/ml, Acetonitrile, 5ml

Daily Quality Control Standard (with 4 Fluorinated Compounds Internal Standard) 14 Analytes + 4 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane 17