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 |
==================================================================================================== |
Beta |
1976 | 67128 | 17 | 13 | 690 | 91 | 12 | fCi/m3 |
1977 | 100137 | 26 | 33 | 2200 | 221 | 868 | fCi/m3 |
1978 | 97610 | 13 | 31 | 190 | 87 | 109 | fCi/m3 |
1979 | 95250 | 12 | 20 | 57 | 34 | 22 | fCi/m3 |
1980 | 95669 | 12 | 15 | 41 | 28 | 5 | fCi/m3 |
1981 | 55666 | 12 | 15 | 480 | 262 | 78 | fCi/m3 |
1982 | 92659 | 12 | 32 | 54 | 40 | 4 | fCi/m3 |
H-3 |
1976 | 50 | 17 | 34 | 960 | 330 | 32 | pCi/m3 |
1977 | 120 | 26 | 4.2 | 620 | 187 | 362 | pCi/m3 |
1978 | 123 | 13 | 1 | 9.1 | 114 | 57 | 74 | pCi/m3 |
1979 | 123 | 12 | 5.9 | 130 | 35 | 74 | pCi/m3 |
1980 | 116 | 12 | 2.3 | 120 | 53 | 21 | pCi/m3 |
1981 | 78 | 12 | 0.7 | 93 | 22 | 17 | pCi/m3 |
1982 | 78 | 12 | 3 | 45 | 23 | 8 | pCi/m3 |
1983 | 122 | 12 | 1 | -0.1 | 34 | 18 | 5.3 | pCi/m3 |
1984 | 127 | 12 | 1.7 | 270 | 63 | 43 | pCi/m3 |
1985 | 117 | 11 | 9 | 190 | 75.8 | 14.8 | pCi/m3 |
1986 | 128 | 12 | 1 | 1.9 | 50 | 27.8 | 16.2 | pCi/m3 |
1987 | 115 | 12 | 1 | -2 | 100 | 32.3 | 35.7 | pCi/m3 |
1988 | 99 | 12 | 1 | 4.7 | 75.2 | 23.2 | 19.4 | pCi/m3 |
1989 | 123 | 12 | 3.9 | 116.6 | 28.8 | 32.8 | pCi/m3 |
1990 | 125 | 11 | 1 | 0 | 48.2 | 16.4 | 14.9 | pCi/m3 |
===================================================================================================== |
Tuesday, December 24, 2002 | Page 2 of 4 |