PSA-GCB-Mix for 2007.01 per AOAC Back Catalog number: 674523 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 93978 Chloroacetic acid Price on request 3439.14-100-CY Metazachlor Price on request 680005 5-Ethyl-2-methylpyridine, 250mg Price on request