Hydrocarbon Standard Back Catalog number: 94376 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-147-S 1,4,7-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request EPA-23IS Internal Standard Solution, 1.2ml, nonane Price on request 52146 Method 1640Mix A Price on request