EPA Method 552.1 - Surrogate Standard Back Catalog number: 31056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673791 Dinobuton, 100 µg/ml, Ethyl acetate, 5ml Price on request 1315.13-100-T 2-Fluorofluorene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 343-43-1 Price on request 9499.10-100-AN Clofibric acid Price on request