Internal Standard Spiking Solution, 1.2ml, nonane Back Catalog number: EPA-513ISS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 2223.12-100-IO 3'-Fluoro-2,4,5-trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 673576 Etofenprox, 100 µg/ml, Ethyl acetate, 5ml Price on request 685315 Homovanillic acid, 25mg Price on request