8260 Surrogates / Internals Standard Back Catalog number: 91515 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PN-28S 1,2,3,5-Tetrachloronaphthalene, 1.2ml x 50ug/ml, nonane Price on request 33301 1-Decene Price on request EPA-8280IS Internal Standard Solution, 1.2ml, toluene Price on request