EPA Method 622 / 8141 - Analytes Back Catalog number: 90378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70273 Tetrachloro-m-xylene, 1000μg/ml in MeOH, 1ml Price on request 72343 (2,4-Dichlorophenyl)urea Price on request 675670 Tebutam, 10.0 µg/ml, Ethyl acetate, 10ml Price on request