EPA Method 8240A - Purgeable Surrogate Std Back Catalog number: 24002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11161.2-100MG 1,1,1,2-Tetrachloroethane-d2,neat,neat,100mg, Price on request M258815-1G Metformin Hydrochloride, 1g Price on request 2916.14-100-AN Acetochlor-d11 (2-ethyl-6-methylphenyl-d11) Price on request