2-Butanone, certified, 1ml

Sodium dodecylbenzenesulfonate, mixture of linear C10-C14, 1000µg/mL in MeOH, 1ml

Ethylene oxide, 1000µg/ml in Water, 1ml

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