EPA Method 8260 Internal Standard - Revised Back Catalog number: 21013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71599 Paclobutrazol Price on request 9430.10-100 Chlorthal-dimethyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1861-32-1 Price on request 94569 PCB Congener Internal Standard Mix Price on request