Air Concentration Summaries from |
Environmental Surveillance Reports |
TA-54 |
------------------------------------------------------ |
Calendar | Total Air | Total # | # Samples | Air Concentrations |
Year | Volume (m3) | Samples | < MDA | ------------------------------------------------------ |
Min | Max | Mean | Std.Dev. | Units |
==================================================================================================== |
Pu-238 |
1976 | 50963 | 4 | 2.3 | 6.6 | 4.3 | 1.2 | aCi/m3 |
1977 | 99933 | 5 | 3 | -3.9 | 33 | 2.3 | 1.8 | aCi/m3 |
1978 | 99251 | 4 | 3 | 0.3 | 8.8 | 3 | 6.8 | aCi/m3 |
1979 | 91963 | 5 | 5 | -2.9 | 2 | -1 | 4.2 | aCi/m3 |
1980 | 95669 | 4 | 3 | -1.2 | 4.2 | 1.3 | 2.3 | aCi/m3 |
1981 | 55666 | 4 | 3 | -2.2 | 4.1 | 0.9 | 2.7 | aCi/m3 |
1982 | 82659 | 4 | 3 | -0.1 | 3.2 | 1.3 | 1.4 | aCi/m3 |
1990 | 78298 | 4 | 4 | 0.6 | 1.2 | 0.9 | 0.2 | aCi/m3 |
Pu-239 |
1976 | 50963 | 4 | 4.9 | 69.9 | 26.8 | 2.9 | aCi/m3 |
1977 | 99933 | 5 | 26 | 58 | 34 | 30 | aCi/m3 |
1978 | 99251 | 4 | 15 | 153 | 80 | 120 | aCi/m3 |
1979 | 91963 | 5 | 1 | -0.1 | 132 | 23 | 70 | aCi/m3 |
1980 | 95669 | 4 | 1 | 0.9 | 30 | 13 | 13 | aCi/m3 |
1981 | 55666 | 4 | 1 | 1 | 17 | 10 | 7 | aCi/m3 |
1982 | 92659 | 4 | 1 | 1.7 | 38 | 13 | 17 | aCi/m3 |
1983 | 92561 | 4 | 4 | 0.2 | 1.1 | 0.7 | 0.4 | aCi/m3 |
1984 | 99531 | 4 | 1 | 2.9 | 48.3 | 18.1 | 21.2 | aCi/m3 |
1985 | 100026 | 4 | 4.2 | 50.8 | 29.5 | 19.7 | aCi/m3 |
1985 | 100026 | 4 | 3.2 | 28.5 | 18.5 | 9.7 | aCi/m3 |
1986 | 67434 | 4 | 7.8 | 36.8 | 22.6 | 11.9 | aCi/m3 |
1987 | 91599 | 4 | 2.8 | 36.8 | 13.5 | 15.7 | aCi/m3 |
1988 | 67033 | 4 | 2 | 1.2 | 53.4 | 17.8 | 24.5 | aCi/m3 |
1989 | 75845 | 4 | 3.4 | 32.3 | 17.3 | 15.6 | aCi/m3 |
1990 | 78298 | 4 | 2.1 | 9.3 | 3.9 | 3.6 | aCi/m3 |
===================================================================================================== |
Tuesday, December 24, 2002 | Page 3 of 4 |