EPA Method 524.2 - Additional Analytes Back Catalog number: 34052 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8018.13-K-IO Xanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 90-47-1 Price on request 676328 Metoprolol tartrate, 250mg Price on request 9139.9-1G Gabapentin, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 60142-96-3 Price on request