2006-10-23T12:00:00.00a1f73301-d326-4fa5-bf45-8d490cf78fc52019-01-14T12:07:56.05false1,2,3,6,7,8-hcdd1,2,3,6,7,8-hexachlorodibenzo[b,e]dioxin1,2,3,6,7,8-hexachlorodibenzodioxin1,2,3,6,7,8-hexachlorodibenzo-p-dioxin