EPA Method 525 - Tuning Standard Back Catalog number: 30033 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1133.13-K-IO n-Tridecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-50-5 Price on request 676338 Bifenazate-diazene, 100 µg/ml, Acetonitrile, 1ml Price on request S-4052-5K-10LW Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C) Price on request