Internal Standard Spiking Solution, 1.2ml, nonane

3,3',5,5'-Tetrabromobisphenol A bispropionate,50 µg/mL,toluene,1mL Certan,

1-Methyldibenzothiophene, 10µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 31317-07-4

Chloridazon-desphenyl, certified, 10mg