EPA Method 8240A Sys Perf Check Cmpds Back Catalog number: 82411 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 672917 Triflusulfuron-methyl, 100mg Price on request 681669 Benzo[k]fluoranthene, 10.0 µg/ml, Acetonitrile, Price on request 35554 Dibromoacetic acid Price on request