Diafenthiuron, 100 µg/ml, Acetonitrile, 1ml

1,2,3,4,6,7,9-Heptachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

EPA Method 552.2 - Surrogate Standard

Multi-Element Internal Std., 10ug/ml, 4x25ml