EPA Method 8260 Internal Standard - Revised Back Catalog number: 21013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93479 Volatile Standard Price on request 675600 Vamidothion, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 92734 Aroclor 1242 Price on request