EPA Method 8081A Pesticides QC Mix

2,2',4,4'-Tetrabromodiphenyl ether,50µg/ml IO, 1ml

Tetrabutylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1643-19-2

Glycidyl Stearate, 100mg