EPA Method 551.1 Internal Standard Back Catalog number: 30103 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95948 Appendix IX Mix #2 Price on request 1659.10-100-IO 1,1,1,3,9,10-Hexachlorodecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 601523-26-6 Price on request 2693.6-K-IO 3,4-Dimethylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 632-15-5 Price on request