2,4'-DDT-d8, 100µg/ml in Isooctane, 1ml

Anions Mix - Chloride + Sulfate as SO4

Cephalosporins

Valve Timing Calibration Mix (with Internal Standard) 5 Analytes, each Wt.% as listed in isooctane; units: 1x10mL and 5x10mL Name Wt.% Name Wt.% Benzene 4.5 o-Xylene