Petroleum Marker Standard Conc Back Catalog number: 95590 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 27013 EPA Method 8260B - Purgeable Internal Std Price on request 19198 Purgeable Aromatic - Gasoline ID Price on request 8743.18-100-T 4-Chloroterphenyl, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request