BTEX Standard Back Catalog number: 92793 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0928.21-K-IO 2-Methyleicosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1560-84-5 Price on request 80412 EPA Method 8040A Analytes Mix “B” Price on request 79087 1,1,2-Trichloroethane Price on request