1,2,3,4,7,8,9-Heptachlorodibenzofuran Back Catalog number: 10637.12-50-T Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 83509 EPA Method 8315 Calibration Mix #1 Price on request 79268 m-Terphenyl Price on request 679350 4-Chloronitrobenzene, 100 µg/ml, Methanol, 1ml Price on request