Figure F56. Drilling fluid contamination for a sample from Section 301-U1301B-5R-1 as estimated from PFT concentrations in the untreated exterior, 2x washed exterior, 2x washed + flamed exterior, and interior of rocks. Values given above each column indicate measured PFT concentration after treatment. This sample was the most contaminated sample of the 14 measured samples (see Table T16) and demonstrates the effectiveness of our treatments.
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