EPA Method 8140/8141 Analytes Back Catalog number: 81400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59514 IC Anions Mix A Price on request 70274 1,2,4,5-Tetrachlorobenzene, 1000µg/ml in MeOH, 1ml Price on request 70412 1,4-Naphthoquinone Price on request