EPA Method 601 Internal Standard Back Catalog number: 19094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3249.18-K-IO 10-trans,12-cis-Octadecadienoic acid (10tr), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2420-56-6 Price on request 673528 2,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml Price on request 674539 D4-Picolinafen, 5mg Price on request