EPA Method 8260B Internal Standard Back Catalog number: 22213 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3707.10-160-05HC Gonyautoxin-2 and -3 Price on request 10649.11-100-5AN Chloramphenicol Price on request 11114.8-50-ME 1,2,5,6-Tetrabromocyclooctane,50 µg/mL,MeOH,1mL, Price on request