EPA TO-1A Back Catalog number: 93647 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-G Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request MDF-12389 1,2,3,8,9-Pentachloro(13C12)dibenzofuran, 1.2mL x 50ug/mL, toluene Price on request 682580 Tribufos, 100 µg/ml, Acetonitrile, 5ml Price on request