EPA Method 300.0 Anions Mix A Back Catalog number: 50623 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12114.4-100-ME Metformin-d6 hydrochloride (dimethyl-d6),100 µg/mL,MeOH,1mL, Price on request 1806.12-100-CY 2-Phenylphenol Price on request DD-23-S 2,3-Dichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request