EPA Method 8260 Internal Standard - Revised Back Catalog number: 21013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-13093A1-1ML Prochloraz, 100µg/ml in Acetonitrile, 1ml Price on request 675769 Isocarbophos, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 32531 p-Xylene Price on request