STRATUM 6 uCi/m? 14,000 12,000 - 10,000 8,000 |+6.000 }- UNTRANSFORMED 14,000 ANTILOG l 12,000 i 10,000 8,000 6,000 700 L 700 600 + 600 500 L 500 400+ 400 300 + 300 200 + 200 <> . yooh 100 n a ° 0.0 < > & -100+ -100 7) Ww x -200 + -200 -300 + -300 -400 + -400 -500 + -600 -600 + -600 -700 + -700 -800 + ITERATION e1 -800 -900 + a2 -900 L -1,000L 03-—— -1,000 -3.000 -5,000 ig -7,000 Fi l igure 15. -3,000 -5,000 -7,000 . . 239-240 : Residuals From Fitted Pu Concentration Surfaces for Stratum 6. 343