2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene Back Catalog number: PTBX Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended C12965400 Direct Red 28, certified, 0.1g Price on request 80203 EPA Method 8020B Analytes Mix #1 Price on request MBP-MO Mass-Labelled Mono-Ortho PCB Mixture, 5.00µg/mL in Nonane/8% toluene 1,2ml Price on request