4,4’-DDD Back Catalog number: 70099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30085 EPA Method 507/525 Analytes Mix #4 Price on request 675696 Dimethyldioctylammonium bromide, 100mg Price on request 41316 Indeno(1,2,3-cd)pyrene, 100µg/ml in Acetonitrile, 1ml Price on request