525.2 Internal & Surrogate Standard Back Catalog number: 92386 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 20064 Aroclor Standard Price on request 57178 Platinum (Pt) Price on request DF-12367-S 1,2,3,6,7-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request