D4-Carbendazim, 100 µg/ml, Methanol, 1ml

(±)-Chlorpheniramine-d6 maleate (N,N-dimethyl-d6),100 µg base/mL,MeOH,1mL

Native DDT & Related Compound Solution/Mixture, 1.2ml, nonane

EPA Method 8260 - Purgeable Internal Standard