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 34261 1,1-Dichloropropene Price on request 26013 EPA Method 8260B Purgeable Internal Standard Price on request 91531 PAH Standard Price on request