Surrogate Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-23SSS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 678535 4-Chlorophenoxyacetic acid, 100 µg/ml, Acetonitri Price on request 673756 Carbofuran, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 1736.18-2MG 4-Hydroxychrysene, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 63019-40-9 Price on request