Atrazine, 100 µg/ml, Ethyl acetate, 5ml

Method 429 Internal Standard Solution, 100µg/ml in Isooctane/25% toluene, 1,2ml

n-Eicosane-d42, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 62369-67-9

Tridecafluorohexane-1-sulfonic acid potassium salt