EPA Method 8020B Analytes Mix #1 Back Catalog number: 80203 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3208.17-K-IO 10-trans-Heptadecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 126761-43-1 Price on request 672990 Medroxyprogesterone 17-acetate, 250mg Price on request 2281.8-K-IPX5 4-Ethylphenol-d10, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 352431-18-6 Price on request