Pyrene Back Catalog number: 90981 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82524 EPA Method 8250 Base/Neutrals Spiking Solution Price on request 55212 Lanthanum (La) Price on request 73322 2,2,4-Trimethyl-1,3-pentanediol diisobutyrate Price on request