Trace Metals 2 Back Catalog number: 53093 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-236-S 2,3,6-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 93644 8260 IS & SS Price on request 79142 Hexachlorocyclopentadiene Price on request