EPA Method 525.2 - 526 Internal Standard Back Catalog number: 91297 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677750 4-Ethylphenol, 100 µg/ml, Acetonitrile, 1ml Price on request 673532 2,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml Price on request 2473.7-K-IP 2,4-Dibromoanisole, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 21702-84-1 Price on request