PSA-C18-GCB Mix 14 Back Catalog number: 674742 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 19267 EPA Method 502/524 Surrogate Standard #2 Price on request 92298 Pesticide Mix #3 Price on request 679947 Thiamethoxam Metabolite CGA 353968, 100 µg/ml, Ac Price on request