EPA Method 525 Internals & Surrogates Back Catalog number: 91161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674925 Genite, 250mg Price on request 50011 ICP Mix Price on request 3244.22-K-IO 13-trans-Docosenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-33-2 Price on request