Ponceau 3R Back Catalog number: 72596 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30033 EPA Method 525 - Tuning Standard Price on request 96434 SDWA Carbon disulfide, MIBK, Naphthalene Cal 2 Price on request 70020R Aroclor 1254 Price on request