L-Alanin, 100mg

N-(2,4-Dimethylphenyl)formamide, 100mg

Tetrachloro-m-xylene, 1000μg/ml in MeOH, 1ml

Daily Quality Control Standard (with 3 Fluorinated Compounds Internal Standard) 14 Analytes + 3 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene