EPA Method 8240A Internal Standard Back Catalog number: 22003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11264.10-100-AN Imidacloprid-d4 (imidazolidine-4,4,5,5-d4),100 µg/mL,acetonitrile,1mL, Price on request 675894 2,3-Dichloroaniline, 1000mg Price on request 98233 Benzene [10 ppm] Price on request