EPA Method 502.2 Internal Standard Back Catalog number: 91703 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1925.10 trans-1,2-Dihydroxy-1,2-dihydrophenanthrene, Please inquire, Solvent-, Unit , # of units-1, Cas.no. 60917-41-1 Price on request 678581 Carboxin, 100 µg/ml, Acetonitrile, 1ml Price on request S-4166-SETX5 Aromatics Quantitative Calibration Mixes (with Internal Standard) 5 Analytes + 2-hexanone as internal standard, each Wt.% as listed in isooctane; unit: 5x1mL one of each Std. Analyte Analyte Std. 1 Std. 2 Price on request