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 95219 Organochlorine Pesticides Price on request 675529 Sulfanitran, 250mg Price on request 676397 2,4-Dichlorotoluene, 250mg Price on request