2,4’-DDD Back Catalog number: 70459 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82459 Method 8085 Surrogates Price on request 1356.6-10-CY Hexachlorobenzene,10 µg/mL,cyclohexane,1mL, Price on request 0150.16-500-IO 4-n-Butyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147792-33-4 Price on request