Air Concentration Summaries from |
Environmental Surveillance Reports |
Los Alamos Airport |
------------------------------------------------------ |
Calendar | Total Air | Total # | # Samples | Air Concentrations |
Year | Volume (m3) | Samples | < MDA | ------------------------------------------------------ |
Min | Max | Mean | Std.Dev. | Units |
==================================================================================================== |
Pu-239 |
1971A | 6 | 140 | 89 | aCi/m3 |
1971B | 7 | 65 | 35 | 13 | aCi/m3 |
1972 | 265 | 73 | aCi/m3 |
1973 | 186 | 44 | 7 | aCi/m3 |
1974 | 92 | 25 | 2 | aCi/m3 |
1975 | 52 | 24 | 4 | aCi/m3 |
1976 | 104319 | 8 | 2 | 1 | 12 | 6.8 | 6.8 | aCi/m3 |
1977 | 77665 | 4 | 1 | 12 | 22 | 18 | 28 | aCi/m3 |
1978 | 92171 | 4 | 5.9 | 33 | 20 | 41 | aCi/m3 |
1979 | 101124 | 5 | 1 | 1.4 | 14 | 4.8 | 5 | aCi/m3 |
1980 | 98689 | 4 | 2 | 0.4 | 34 | 9.8 | 16 | aCi/m3 |
1981 | 55406 | 4 | 4.1 | 23 | 14 | 8 | aCi/m3 |
1982 | 93687 | 4 | 4 | -1.3 | 2.6 | 1.2 | 1.8 | aCi/m3 |
1983 | 91518 | 4 | 4 | -0.2 | 0.6 | 0.3 | 0.4 | aCi/m3 |
1984 | 84811 | 4 | 4 | -0.2 | 1.7 | 1 | 0.8 | aCi/m3 |
1985 | 78555 | 4 | 1.9 | 4.8 | 3.7 | 1.1 | aCi/m3 |
1985 | 78555 | 4 | 3 | 0.5 | 18.2 | 5.5 | 8.5 | aCi/m3 |
1986 | 93782 | 4 | 2 | 1.6 | 2.8 | 2.1 | 0.5 | aCi/m3 |
1987 | 93632 | 4 | 3 | 0.6 | 2.1 | 1.2 | 0.7 | aCi/m3 |
1988 | 66914 | 4 | 4 | 0 | 1.3 | 0.7 | 0.6 | aCi/m3 |
1989 | 74147 | 4 | 3 | 0.2 | 2 | 1.2 | 0.9 | aCi/m3 |
1990 | 84295 | 4 | 4 | 0.5 | 1.9 | 1.5 | 0.7 | aCi/m3 |
1991 | 43065 | 2 | 2 | 0.4 | 0.9 | 0.7 | aCi/m3 |
1992 | 77457 | 4 | 4 | 0.6 | 1.7 | 1.3 | 3.7 | aCi/m3 |
1993 | 42600 | 3 | 2 | 0 | 4.6 | 2.2 | 4.6 | aCi/m3 |
1994 | 61500 | 4 | 2 | 0.1 | 4.6 | 2.5 | 4.4 | aCi/m3 |
1995 | 4 | 2 | 1.4 | 5 | 2.8 | 3.2 | aCi/m3 |
1996 | 4 | 1 | 0.8 | 4 | 2.9 | 1.4 | aCi/m3 |
1997 | 4 | 4 | 0 | 1.9 | 1.1 | 0.9 | aCi/m3 |
1998 | 4 | 4 | 0.7 | 3.8 | 3 | 1.5 | aCi/m3 |
===================================================================================================== |
Tuesday, December 24, 2002 | Page 6 of 8 |