Ethofumesate, 100 µg/ml, Acetonitrile, 5ml

Atrazine-desisopropyl, 100 µg/ml, Acetonitrile,

Lidocaine,1000 µg/mL,MeOH,1mL,

Sodium perfluoro-1-hexane[18O2]sulfonate, 1.2ml x 50ug/ml, methanol