Endosulfan sulfate (13C9), 100µg/mL in Nonane, 1,2

2-Hydroxypyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 78751-58-3

2,4,7-Tribromodibenzofuran, 1.2ml x 50ug/ml, toluene

18O4-Sodium perchlorate, 5mg