EPA Method 632.1 Analytes Back Catalog number: 40047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 97915 Mepiquat Price on request 12114.4-10MG Metformin-d6 hydrochloride (dimethyl-d6),neat,neat,10mg, Price on request 681619 2,6-D, 10mg Price on request