Mass-Labelled PCB Extraction Standards, 1.2ml, nonane Back Catalog number: PCB-LCS-H Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 678348 Nitrofen, 100 µg/ml, Ethyl acetate, 1ml Price on request 96453 EPA Method 505 Pesticides Price on request 679727 Phorate-sulfoxide, 100 µg/ml, Acetone, 1ml Price on request