Heptachlor, 100 µg/ml, Methanol, 1ml Back Catalog number: 679447 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 95406 Aroclor 1254 & Tetrachloro-m-xylene Price on request ACQ-WH03-015 Ethanol standard in whole blood,0.3g/L,whole blood, 1.5mL Price on request 96108 PAH Standard, 2000µg/ml in MethyleneChloride, 1ml Price on request