CWA BTEX Back Catalog number: 38396 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673872 Teflubenzuron, 10 µg/ml, Cyclohexane, 10ml Price on request DD-1247/8-S 1,2,4,7/1,2,4,8-Tetrachlorodibenzo-p-dioxin mix, 1.2ml x 50ug/ml, nonane Price on request 11739.12-100-IO 2,2',3,4,4',6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request