EPA Method 525 - Tuning Standard Back Catalog number: 30033 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended A12507509AL-100 trans-Permethrinic acid, 100µg/mL in Acetonitrile, 1ml Price on request 3231.20-K-IO 11-cis,14-cis-Eicosadienoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5598-38-9 Price on request 677159 Di-n-octyltin dichloride, 100mg Price on request