Freon Standard

1-Methylnaphthalene, 10.0 µg/ml, Acetonitrile, 1

Endosulfan-I-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 203645-57-2

6-Chloro-3(2H)-pyridazinone, >98%, 25g