EPA Method 8260B - Purgeable Internal Std Back Catalog number: 22013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2530.11-100-ME 2-Methoxynaphthalene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 93-04-9 Price on request 96611 Naloxone-3-ß-D-glucuronide.H2O Price on request 0038.28-200-T Diphenanthro[9,10-b;9',10'-d]thiophene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 202-72-2 Price on request