EPA Method 601Mix #2 Back Catalog number: 44002 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 79538 2-Furaldehyde (Furfural) Price on request 10864.10-5MG Serotonin-13C2, 15N Price on request 690172 m-Phenylenediamine, 100mg Price on request