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

Pristane/n-Heptadecane Control Standard/Whole Oil Control Mixture 4 1000µg Pristane and 2000µg n-Heptadecane in 1mL isooctane Pristane/n-Heptadecane

13C6-Oxyphenbutazone, 10mg

2,4-Diaminoanisole sulfate hydrate