EPA Method 515.1 Surrogate Standard Back Catalog number: 30022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9500.19-100-ME Bezafibrate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 41859-67-0 Price on request 95946 n-Butanol Price on request 10983.10-10MG 5-HIAA-d2,neat,neat,10mg, Price on request