EPA Method 8260 Internal Standard - Revised

2,3,4-Tribromophenol, 1.2ml x 100ug/ml, toluene

Triphenylene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 17777-56-9

2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl ,100 µg/mL,isooctane,1mL,