alpha-HCH, 100 µg/ml, Methanol, 1ml Back Catalog number: 680442 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677752 Bis(methylglycol) phthalate, 250mg Price on request 82514 EPA Method 8270C - B/N Matrix Spiking Solution Price on request 70211 2-Heptanone Price on request