EPA Method 508 Surrogate Standard Back Catalog number: 19042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676299 Thiadone (Flufenacet Metabolite), 100 µg/ml, Acet Price on request B515202 rac 1,2-Bis-palmitoyl-3-chloropropanediol-D5, 1mg Price on request 676640 Amlodipine besylate, 100mg Price on request