Calibration Verification Solution , 1mL, nonane

Hydrochlorothiazide,1000 µg/mL,MeOH,1mL,

Trichloroethene, 100 µg/ml, Methanol, 5ml

2,4-D (13C6, 99%) 100µg/mL in Acetonitrile, 1,2ml