BTEX & Naphthalene & Tetrachloroethene Back Catalog number: 95501 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended H669500 Homovanillic Acid, 50mg Price on request 2128.12-K-IOX10 Arochlor 1254, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11097-69-1 Price on request DF-ST-B Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request