IC Standard 1C Back Catalog number: 50701 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82449 EPA Method 1666 Standard #1 Price on request 34411 1,1-Difluoroethane, 20mg/mL in MeOH, 1ml Price on request 73252 Azimsulfuron Price on request