EPA Method 525.2 - 526 Internal Standard Back Catalog number: 91297 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684243 D3-Trimethylsulfonium iodide, 10mg Price on request 0417.14-150-CYX10 n-Tetradecane , ?13C: -33.13, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-59-4 Price on request 673243 Cyazofamid, 100 µg/ml, Acetonitrile, 5ml Price on request