Figure F2. Total ion current (TIC) chromatogram of the total lipid fraction of (A) Sample 175-1077A-9H-2, 75-77 cm, and (B) Sample 175-1084A-12H-6, 140-143 cm. Numbers indicate compounds listed in Table T2. Letters indicate sterols listed in Table T3. Triangles = fatty acids, circles = n-alkanes, squares = n-alcohols. IS = internal standard. * = contamination.