EPA Method 8260B Internal Standard Back Catalog number: 22213 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94791 Fermentation Standard HPLC Price on request 10279.24-100-IO Trixylylphosphate, purified Ion m/z 410 Price on request 0256.22-10MG Anthanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 191-26-4 Price on request