EPA Method 8121 Surrogate Standard Back Catalog number: 81204 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70369 a,a-Dimethylphenethylamine Price on request 1434.12-K-ME 2,6-Diisopropylphenol Price on request 8992.20-2MG 5-cis,8-cis,11-cis-Eicosatrienoic acid , Approx. 2mg in approx. 0,5mL methanol, Solvent-, Unit , # of units-, Cas.no. 20590-32-3 Price on request