EPA Method 507 Analyte Mix #8 Back Catalog number: 94131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3956.15-K-IO Tetra-n-pentyltin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3765-65-9 Price on request M5PFHXA Perfluoro-n-[1,2,3,4,6-13C5]hexanoic acid, 1.2ml x 50ug/ml, methanol Price on request 90184 Toxaphene Price on request