Acid Surrogate Standard Back Catalog number: 23005 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EPA-513LCSS Labelled TCDD/TCDF Spiking Solution, 1.2ml, nonane Price on request 10284.22-10MG Zuclopenthixol (cis+trans) Price on request 10652.22-100MG Oxytetracycline, 96%,neat,neat,100mg, Price on request