2,3',5-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane Back Catalog number: BB-26 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 32103 EPA Method 551.1 Internal Standard Price on request 83562 2,4-D Price on request 82544 EPA Method 8270C - B/N Matrix Spiking Solution Price on request