EPA Method 8121 Analytes Back Catalog number: 81202 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72500 2-Bromo-4’-chloroacetophenone Price on request 679372 Heptachlor-exo-epoxide, 10 µg/ml, Cyclohexane, 1 Price on request 93243 4-Ethylphenol Standard Price on request