Table 7. 239-240 Pu Concentrations (nCi/g) in "Ball-Mili"' and "Less Than 100 Mesh" Soil Fractions for a Single Profile Sample From Stratum 3 of Area 13; Analyzed by LFE Laboratories Less Than 100 Mesh Percent Library No. Depth in Soil (cm) L01048 O- 2.5 LO1049 239-240 Pu_(A) Counting Error. Bail—-Mill Fraction Percent 239-240 0.226 2 0.288 2.5- 5.0 0.0111 3 L01050 5.0- 7.5 0.000711 LO1051 7.5-10.0 LO1052 Pu_(B) Count ing Error A/B 2 0.78 0.0115 28 0.97. 3 0.00206 18 0.35 0.000817 3 0.000190 11 4.30 10,0-12.5 0.00197 19 0.0000685 12 28.8 L01053 12.5-15.0 0.000713 8 0 .0000327 13 21.8 LO1054 15.0-17.5 0.000125 9 0.0000288 16 L01055 17.5-20.0 0.000124 9 0.00440 L01056 20.0-22.5 0.00110 3 0.0000497 L01057 22.5-25.0 0.000163 6 0.00200 Percent counting error = 100 o/x, where o = counting error 145 6 12 3 4.34 0.028 22.1 0.082