4.4'-DDE (13C12), 100µg/ml in n-Nonane, 1,2ml Back Catalog number: S-FC93S-1.2ML Availability: In the manufacturer's stock Price on request - + Recommended 20003 EPA Method 8240A/1666 - Purgeable Internal Std Price on request 30107 EPA 552.2- Haloacetic Acids, 100µg/ml in MTBE, 1ml Price on request C20003100 PCB No. 31, certified, 25mg Price on request