8260Matrix Spike Back Catalog number: 97031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11119.21-50-T 3,3',5,5'-Tetrabromobisphenol A bispropionate,50 µg/mL,toluene,1mL Certan, Price on request 96065 Chloral hydrate Level 2 Price on request OXYCHLORD OxyChlordane, 1.2mL x 100ug/mL, nonane Price on request