EPA Method 515.1 Internal Standard Back Catalog number: 30023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended D455395 Diisononyl Phthalate (mixture of branched chain isomers), 5g Price on request BRP-245 2,4,5-Tribromophenol, 1.2ml x 100ug/ml, toluene Price on request 675476 Acequinocyl, 10.0 µg/ml, Acetonitrile, 10ml Price on request