EPA Method 1666 Standard #1 Back Catalog number: 82449 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681043 2,4-DB-2-ethylhexyl ester, 250mg Price on request 66185 PCB No. 185, 100ug/ml in Isooctane, 1ml Price on request 38135 CWA Organophosphorous Pesticides Price on request