Table 3. Activity strata (Cont.) n a Mean + S.E. (nCi/g dry) Mean + S.E. (nCi/m2) Inventory + S.E. (millicuries) -17 24 72 1.3 + + + + .033 .079 .14 .21 72 99 300 550 + + + + .0052 .0O13. 17 .077 . 28 1.2 + + + + + + .00068 .0020 ,055 .018 .077 .35 1.5 3.8 49 22 81 348 + 27 + 73 + 17 + 5.8 + 24.3 + 109 -010 .072 -11 49 + + + + .0035 .029 .036 .16 1.7 12 19 84 + + + + .63 5,2 6.5 29 . 30 .020 015 .O51 .39 + + + + + .11 .0084 .0052 .018 .12 -014 .027. .012 .028 + + + + .0080 .Ol11 .0033 .0078 2.9 5.7 2.5 6.0 + + ¢ 2% 1.7 2.3 .69 1.7 -45 .057 021 .010 .54 + + + + + .27 .024 .0058 .0028 .27 Percent by strata Veg. invent. | s.E.° Soil invent. ~~" ~ NTS Area 11, Site D (1956) 2 3 4 5 Total 12 13 20 ll 56 14 33 58 89 2.3 1.3 1.5 1.6 6.7 + + + + + .44 44 ,.28 .26 .73 1.9 9.6 5.3 1.6 1.5 8.3 28.2 + + + + + + + .34 1.9 1.9 .43 .46 2.6 3.8 34 19 22 24 100 -0016 .00045 .00031 .00020 .00039 + + + + + .00034 .00025 .O0011 .000088 .000084 .00076 .00064 .0021 .00040 .00077 .00043 -00060 + + + + + + + .00016 .00016 .00069 .00013 .00026 .00012 .000076 78 5 4 13 100 .00026 .000035 -00010 .000031 .00012 + + + + + .000096 .000012 .000014 .000015 .000036 84 11 4 2 101 .00019 -000088 .000023 .000050 .00013 + + + + + .00011 .000056 .000010 .000024 .000078 NTS Area 13 (1957) Project 57 1 2 3 4 5 6 Total 36 25 15 18 10 37 141 7 34 19 6 5 29 100 TTR Double Track (1963) 1 2 3 4 Total 17 9 1l ll 48 TTR Clean Slate 1 (1963) 1 2 3 4 Total 20 12 9 12 5