EPA Method 502/524 Fortification Solution Back Catalog number: 34005 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3211.18-K-IO 9-cis,12-cis-Octadecadienoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 60-33-3 Price on request 82451 EPA Method 1667 Analytes Price on request 11135.9-100-IO Isopropylphenyl phosphate (monoisopropylmonophenyl phosphate),100 µg/mL,isooctane,1mL, Price on request