BTEX (5.0 µg/mL) Back Catalog number: 98516 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93878 Agent Breakdown Sub-Mix #2 Price on request 1651.12-100-IO 1,1,1,3-Tetrachlorododecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 14983-60-9 Price on request 94753 3,3’-Dichlorobenzidine Price on request