EPA Method 552.1 - Surrogate Standard Back Catalog number: 31056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9786.9-100-ME DL-3-Fluoroamphetamine hydrochloride, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 1225.12-10MG Diethyl phthalate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 84-66-2 Price on request 2433.6-K-IPX5 2,4-Dinitrophenol-3,5,6-d3, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 93951-75-8 Price on request