Compound: 2,4,5,6-Tetrachloro-m-xylene CAS #: 877-09-8 Conc. in Solvent and Volume: 200 μg/mL in acetone, 5 mL/ampul Max Shelf Life on Ship Date: 75 months Min Shelf Life on Ship Date: 6 months Certified Reference Material (CRM): Yes

Compound: Decachlorobiphenyl (BZ #209) CAS #: 2051-24-3 Conc. in Solvent and Volume: 200 μg/mL in acetone, 5 mL/ampul Max Shelf Life on Ship Date: 75 months Min Shelf Life on Ship Date: 6 months Certified Reference Material (CRM): Yes