1,4-Dichloro-2-butene

Aromatic Petroleum Pollutant IS-Mixtures 3 Analytes each concentration as listed in toluene; units: 1x1mL, 5x1mL 1313.10 1-Fluoronaphthalene [321-38-0] 400 µg/mL 1316.14 3-Fluorophenanthrene [440-40-4] 200 µg/mL

Caffeine, 100 µg/ml, Methanol, 1ml

n-Triatriacontane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 630-05-7