Instrument Standard 3

4-tert-Octylphenol, 100µg/ml in MeOH, 1ml

N-(3-dimethylaminopropan-1-yl)perfluoro-1-hexanesulfonamide, 1.2ml x 50ug/ml, methanol

D5-Atrazine-desisopropyl, 100 µg/ml, Acetone, 1m