Formaldehyde-DNPH Level 1 (0.1ug/mL)

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

Thiophene in Thiophene-free Benzene Units: 5x1mL ampoule, 10mL screw-capped bottle Chiron No. Concentration Light White Mineral Oil µg thiophene/g (20 cSt at 40°C)

Benz[a]anthracene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1718-53-2