EPA Method 8270C - B/N Matrix Spiking Solution

2,8-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1207-15-4

1,1'-Binaphthyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 604-53-5

4,4’-Methylenedianiline