2006-10-23T12:00:00.00ebd81164-64bf-46e6-a57d-71e6ff1dceb82019-01-14T12:07:56.04false1,2,3,4,7,8-hexachlorodibenzo-p-dioxin1,2,3,4,7,8-hexachlorodibenzo-p-dioxin