EPA Method 8270C Pesticide Mix #20 Back Catalog number: 91003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52070 Spiking Standard #2 Price on request 681464 Bromuconazole LS 850647, 100 µg/ml, Acetonitrile, Price on request 71016 Benzo(e)pyrene,1000µg/ml in methylene chloride,1ml Price on request