EPA Method 8260 Internal Standard - Revised

1-Bromo-3,4-dichloro-5-fluorobenzene, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no.

2-Chloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Wisconsin DNR DRO n-Hydrocarbon Standard