EPA Method 8121 Internal Standard

1,3,5-Tribromobenzene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 626-39-1

Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml , nonane

4-n-Dodecyl-o-cresol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 29665-59-6