EPA Method 8081A Pesticides QC Mix Back Catalog number: 92280 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1773.12-100-AN 4,4'-Diaminobiphenyl,100 µg/mL,acetonitrile,1mL, Price on request 677207 4,4'-Dibromobenzophenone, 250mg Price on request 96143 Fluoranthene Price on request