EPA Method 8240A - Purgeable Surrogate Std Back Catalog number: 24002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11918.4-10MG Hexachloro-1,3-butadiene-13C4,neat,neat,10mg, Price on request C15652010 19-Nortestosterone 17-propionate, certified, 0.1g Price on request 680915 Carboxin, 10.0 µg/ml, Acetonitrile, 10ml Price on request