EPA Method 552.1 - Surrogate Standard Back Catalog number: 31057 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended F232376 rac Felodipine-13C4, d3, 1mg Price on request 673148 Bis(triethylammonium) d6-propylenbis(dithiocarbama Price on request 10453.19-100MG Diphenyltolyl phosphate, techn.,neat,neat,100mg, Price on request