EPA Method 8260B Purgeable Internal Standard Back Catalog number: 28013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 31105 Dibromochloromethane Price on request 675515 Bifenazate, 10.0 µg/ml, Cyclohexane, 10ml Price on request 71592 Chlorophyll A/B Standard Price on request