Internal Standard Spiking Solution, 1.2ml, nonane Back Catalog number: EPA-513ISS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 678377 2,4'-DDD, 100 µg/ml, Acetonitrile, 5ml Price on request 50710 ICP Mix #1 Price on request 2701.11-250MG Cimetidine hydrochloride, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 70059-30-2 Price on request