525.2 Internal & Surrogate Standard Back Catalog number: 92386 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MBP-178 2,2',3,3',5,5',6-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request 96419 VOC Standard Price on request 79614 1-Methylpyrene Price on request