4,4’-DDD Back Catalog number: 79148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92166 1-Chloronaphthalene Price on request 10265.24-50MG Trixylyl phosphate, technical mixture,neat,neat,50mg, Price on request 19211 EPA Method 504 - EDB & DBCP Price on request