ASTM D-4815 Calibration Mix #5

4-Hydroxy-11H-indolo[2,3-f]naphthalene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 23682-01-1

Perfluoro-1-hexanesulfonamide, 1.2ml x 50ug/ml, isopropanol

2,3,5,6-Tetrachloroanisole