Calibration Standard 1 Back Catalog number: 52021A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98224 CLP SOM 02.2 SVOC DMC Base/Neutrals Price on request 66128 2,2’,3,3’,4,4’-Hexachlorobiphenyl (128) Price on request 61248 Aroclor 1248 in Transformer Oil Price on request