Dinoseb, 100 µg/ml, Acetonitrile, 5ml

Perfluoroheptane sulfonic acid, potassium salt,50 µg/mL,MeOH,1mL,

Propachlor-oxalamic acid (OA), 10mg

EPA Method 537 Analyte Primary Dilution Standard, 2000ng/ml in MeOH, 1,2ml