CWA BTEX Back Catalog number: 38396 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92314 EPA Method 525 Spike C Price on request 92816 Volatile Mix C2, 2000µg/ml in MeOH, 1ml Price on request 11743.12-100-IO 2,2',3,4,6,6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request