Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane Back Catalog number: PCB-IS-C Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 679768 2,4,6-Trichlorophenoxyacetic acid, 10 µg/ml, Acet Price on request 93924 EPA Method 515 Herbicide Acids Price on request 32067 EPA Method 524.2 Rev 4.1 High Conc VOC Mixes Price on request