Labelled TCDD/TCDF Spiking Solution, 1.2ml, nonane Back Catalog number: EPA-513LCSS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 57142 Molybdenum (Mo) Price on request 79204 4,4’-Dichlorobenzophenone Price on request 0149.15-500-IO 4-n-Propyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 132034-86-7 Price on request