EPA Method 527 Surrogate Standard Back Catalog number: 95053 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677758 2,4,5-Trimethylphenol, 100 µg/ml, Acetonitrile, Price on request 677923 Pyrethrins, 10 µg/ml, Ethyl acetate, 10ml Price on request 9287.23-K-ME Ramipril, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 87333-19-5 Price on request