Hexachlorobenzene, 100 µg/ml, Methanol, 5ml

Propanil, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 709-98-8

2,2',3,3',4,4',5,6'-Octabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 446255-39-6

EPA Method 524 & 624 - Internal Standard