EPA 1620 Standard 5 Back Catalog number: 53143 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8:2DIPAP Sodium bis(1H,1H,2H,2H-perfluorodecyl)phosphate, 1.2ml x 50ug/ml, methanol Price on request 98989 Sodium benzoate Price on request 73406 alpha,alpha'-Dihydroxy-1,3-diisopropylbenzene Price on request