EPA Method 524.2 - Revision 4.0 Back Catalog number: 33001 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 79281 trans-Nonachlor Price on request 679447 Heptachlor, 100 µg/ml, Methanol, 1ml Price on request 674058 D5-Chloridazon, 10mg Price on request