EPA Method 8140/8141 Analytes Back Catalog number: 81400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73685 4-Hydroxy-2-butanone Price on request 2784.7-100-IO 2,4-Diaminoanisole, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 615-05-4 Price on request 97585 Fluorobenzene Price on request