1,2,4,7,8-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

5-Amino-2-chlorotoluene-4-sulfonic acid, 250mg

D7-Malathion, 100 µg/ml, Acetone, 1ml

n-Alkanes C10-C40 (all +pristane/phytane) 33 Analytes, each 100µg/mL in cyclohexane; units: 1x1mL, 5x1mL, 10x1mL This standard includes all the n-paraffins C10-C40 + pristane and phytane.