beta-Endosulfan, 100 µg/ml, Methanol, 1ml

1-Bromonaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 90-11-9

Multi-Element Check Standard

Dichlorodifluoromethane, 1000µg/ml in MeOH, 1ml