EPA Method 8260B Purgeable Internal Standard Back Catalog number: 26013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53316 GFAA Spike Standard Price on request 10261.19-K-ME Tetrabenazine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 58-46-8 Price on request 1534.20-K-TX10 Perylene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1520-96-3 Price on request