Calibration Standard Kit Back Catalog number: 52090 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3656.6-100-AN 1,2,4,5-Tetrachlorobenzene Price on request 34131 Methyl methacrylate Price on request 8643.12-50-T 1,2,3-Trichlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request