Surrogate Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-23SSS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 681598 2-Methoxyacetophenone, 100mg Price on request 72844 Diflufenzopyr Price on request 0230.32-1MG Naphtho[2,3-a]coronene, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 190-74-9 Price on request