EPA Method 531.1 Individual Analytes Back Catalog number: 30041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71149 2,4,6-Trichlorophenoxyacetic acid Price on request 38148 (See Part # 38114) WP #2 Diesel Fuel as TPH Price on request 79003 Acenaphthylene, 1000µg/ml in MeOH, 1ml Price on request