Interference Standard Mix 2 Back Catalog number: 52040 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98516 BTEX (5.0 µg/mL) Price on request 51142 WA EPH Aromatic Hydrocarbons Price on request BDF-23478 2,3,4,7,8-Pentabromodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request