EPA Method 509 Internal Standard Back Catalog number: 30097 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9292.17-10MG Fluoxetine-d5 hydrochloride (phenyl-d5), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1173020-43-3 Price on request 79417 Pyrene-d10 Price on request DFP-LCS-B20 Mass-Labelled PCDDs/PCDFs/PCBs Solution/Mixture, 1.2ml, nonane Price on request