ICP Cal RL Stock Alk Back Catalog number: 50661 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3656.6-100 1,2,4,5-Tetrachlorobenzene, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 95-94-3 Price on request 91161 EPA Method 525 Internals & Surrogates Price on request H-199N 1,4-Dimethylnaphthalene, 10mg Price on request