Thx all for the replies. After washing/scrubbing with soap & water, I threw it on the grill for 1 hour to dry and burn off any residuals. It smoked a little & trust me me there was absolutly NO soap or any contaminants left in this dutch oven. Like I mentioned before the Flaxseed Oil worked fantasticly.
Follow this, it's very easy"Chemistry of Cast Iron Seasoning: A Science-Based How-To
QuietTimes-Each application was left on the grill for 1 hour or so, than I opened the lid to cool the D.O. & repeated.