EPA Method 551.1 Internal Standard Back Catalog number: 32103 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L11860000CY lambda-Cyhalothrin, 10 ng/µl, 10ml Price on request 9910.5-25MG 1-Penten-3-ol, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 616-25-1 Price on request 0008.10-10MG 2-Nitronaphthalene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 581-89-5 Price on request