4,4’-DDD Back Catalog number: 79148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92134 EPA Method 525 Pesticide Standard Price on request O0148 Octadecyl Sulfide, >96%, 25g Price on request T3IPPP Tris(3-isopropylphenyl) phosphate, 1.2ml x 50ug/ml, toluene Price on request