2,2',4,5'-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane

n-Butyl n-octyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 84-78-6

Semi-Volatile Standard

EPA Method 500 Series Internal Standard