CWA BTEX Back Catalog number: 38396 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683842 Vamidothion, 100 µg/ml, Acetonitrile, 5ml Price on request 66123 2',3,4,4',5-Pentachlorobiphenyl (123) Price on request BB-3 4-Bromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request