EPA Method 8260B Purgeable Internal Standard Back Catalog number: 28013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended D454655-1MG 3,4-Dihydroxyphenylglycolaldehyde (Dopegal), 1mg Price on request 12149.12-100-ME Mexacarbate,100 µg/mL,MeOH,1mL, Price on request 71137 Dibromodifluoromethane Price on request