EPA Method 8040 - Surrogate Standard Back Catalog number: 80403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11294.12-10MG 3-Nitrobenzofuran,neat,neat,10mg, Price on request MPN-59 1,2,4,5,8-Pentachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request Q509900-500MG Quetiapine, 500mg Price on request