Heptachlor-exo-epoxide, 100 µg/ml, Methanol, 1ml

EPA Method 8260 Internal Standard - Revised

International USP 467

2,4,6-Tribromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59080-33-0