EPA Method 8260B Purgeable Internal Standard Back Catalog number: 28013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0978.10-K-IOX10 Naphthalene-d8, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 1146-65-2 Price on request 52310 Calcium Nitrate Modifier Price on request 3503.8-100-AN 2,4,5-T Price on request