WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml Back Catalog number: P48-W-ES Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 79508 Chlorpyrifos Price on request 9648.23-10MG 6-n-Dodecyldecahydronaphthalene-2-carboxylic acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request 672930 Kresoxim-methyl, 100mg Price on request