EPA Method 525.2 - 526 Internal Standard Back Catalog number: 91297 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2129.12-K-IOX5 Arochlor 1260 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11096-82-5 Price on request 673326 Indoxacarb, 10.0 µg/ml, Acetonitrile, 10ml Price on request 70265 Tetrachlorvinphos (Stirophos) Price on request