EPA Method 8240A Sys Perf Check Cmpds Back Catalog number: 82411 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72734 1,3,5-Tris(trifluoromethyl)benzene Price on request 675890 Pesticide-Mix 41, 10.0 µg/ml, Acetonitrile, 10ml Price on request SCP150-021-015 CONOSTAN Standard S-21, 900 ppm, 100g Price on request