CLP - Instrument Performance Check Solution Back Catalog number: 19167 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11140.9-50-T 1,4,5,6,7,7-Hexachlorobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid,50 µg/mL,toluene,1mL, Price on request 95406 Aroclor 1254 & Tetrachloro-m-xylene Price on request MHPCB-MXA Mass-Labelled Chlorinated Biphenylol Solution/Mixture, 1.2ml, toluene Price on request