3-Ethoxy propionaldehyde diethyl acetal, 1g

Imazapyr, 100 µg/ml, Acetonitrile, 5ml

EPA Method 507/525 Analytes Mix #2 Rev.1

1,2,3,4,5,6,8-Heptachloronaphthalene, 1.2mL x 50ug/mL, nonane