Air Concentration Summaries from |
Environmental Surveillance Reports |
TA-53 |
------------------------------------------------------ |
Calendar | Total Air | Total # | # Samples | Air Concentrations |
Year | Volume (m3) | Samples | < MDA | ------------------------------------------------------ |
Min | Max | Mean | Std.Dev. | Units |
==================================================================================================== |
Pu-239 |
1971B | 3 | 130 | 57 | 150 | aCi/m3 |
1972 | 148 | 45 | aCi/m3 |
1973 | 82 | 24 | 9 | aCi/m3 |
1973 | 18 | 8 | 2 | aCi/m3 |
1974 | 105 | 31 | 4 | aCi/m3 |
1975 | 53 | 22 | 2 | aCi/m3 |
1976 | 100189 | 8 | 3 | -0.1 | 8.5 | 5 | 1.1 | aCi/m3 |
1977 | 90784 | 5 | 0.4 | 24 | 18 | 33 | aCi/m3 |
1978 | 91191 | 4 | 4.2 | 33 | 17 | 51 | aCi/m3 |
1979 | 89237 | 5 | 1 | -0.02 | 12 | 4.9 | 6.4 | aCi/m3 |
1980 | 89641 | 4 | 2 | -2.4 | 27 | 7.2 | 13 | aCi/m3 |
1981 | 49899 | 4 | 1 | 0.4 | 18 | 6.3 | 7.7 | aCi/m3 |
1982 | 84524 | 4 | 3 | 0.2 | 3.7 | 2.2 | 1.5 | aCi/m3 |
1983 | 86289 | 4 | 4 | 0.6 | 1.6 | 1 | 0.5 | aCi/m3 |
1984 | 93019 | 4 | 4 | -1.2 | 2.3 | 0.6 | 1.5 | aCi/m3 |
1985 | 110329 | 4 | 1.5 | 2.5 | 2 | 0.3 | aCi/m3 |
1985 | 110329 | 4 | 4 | 0.1 | 0.8 | 0.4 | 0.3 | aCi/m3 |
1986 | 102235 | 4 | 4 | 0.2 | 1.4 | 0.8 | 0.6 | aCi/m3 |
1987 | 104546 | 4 | 4 | 0 | 0.8 | 0.4 | 0.4 | aCi/m3 |
1988 | 68653 | 4 | 2 | 0.5 | 5.4 | 2.3 | 2.2 | aCi/m3 |
1989 | 80440 | 4 | 4 | 0.4 | 1.6 | 1 | 0.5 | aCi/m3 |
1990 | 73441 | 4 | 3 | 0.8 | 2.5 | 1.5 | 0.7 | aCi/m3 |
1991 | 69279 | 3 | 2 | 0.9 | 6.4 | 3 | 0.7 | aCi/m3 |
1992 | 74341 | 4 | 4 | 1 | 2.1 | 1.5 | 3.9 | aCi/m3 |
1993 | 43300 | 3 | 3 | 0.9 | 2 | 1.4 | 1.1 | aCi/m3 |
1994 | 55300 | 4 | 3 | -0.4 | 3.2 | 1.5 | 3.4 | aCi/m3 |
1995 | 4 | 2 | 0.9 | 24.2 | 7.6 | 22.3 | aCi/m3 |
===================================================================================================== |
Tuesday, December 24, 2002 | Page 6 of 8 |