Mass-Labelled PCB Sampling Standard, 1.2ml, nonane Back Catalog number: P48-SS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 83504 2,4,5-TP methyl ester Price on request 21002 EPA Method 8260 - Surrogate Standard Price on request 92457 HPLC Fermentation Standard Price on request