Air Concentration Summaries from |
Environmental Surveillance Reports |
TA-2 Omega Site |
------------------------------------------------------ |
Calendar | Total Air | Total # | # Samples | Air Concentrations |
Year | Volume (m3) | Samples | < MDA | ------------------------------------------------------ |
Min | Max | Mean | Std.Dev. | Units |
==================================================================================================== |
Pu-238 |
1990 | 83709 | 4 | 4 | 0.2 | 1.1 | 0.8 | 0.4 | aCi/m3 |
1992 | 42788 | 4 | 4 | -0.5 | 1 | 0 | 6.2 | aCi/m3 |
1993 | 41200 | 3 | 3 | 0.3 | 2.4 | 1 | 2.3 | aCi/m3 |
1994 | 56800 | 4 | 4 | -0.9 | 1.3 | 0.2 | 1.8 | aCi/m3 |
1995 | 3 | 3 | 1.6 | 3.1 | 2.2 | 1.6 | aCi/m3 |
2000 | 2 | 2 | -0.2 | 0.9 | 0.3 | 0.7 | aCi/m3 |
Pu-239 |
1987 | 89097 | 4 | 3 | 0.2 | 3.2 | 1 | 1.5 | aCi/m3 |
1988 | 66917 | 4 | 2 | 1.2 | 81.7 | 22.7 | 39.4 | aCi/m3 |
1989 | 60178 | 4 | 3 | 1.2 | 2.6 | 2.2 | 0.6 | aCi/m3 |
1990 | 83709 | 4 | 4 | 0.2 | 0.9 | 0.5 | 0.3 | aCi/m3 |
1991 | 71968 | 4 | 4 | -0.3 | 1.5 | 0.5 | 0.8 | aCi/m3 |
1992 | 42788 | 4 | 4 | -0.1 | 2.6 | 1.5 | 8.1 | aCi/m3 |
1993 | 41200 | 3 | 2 | 0 | 15.9 | 5.4 | 18.2 | aCi/m3 |
1994 | 56800 | 4 | 2 | 0.5 | 5.9 | 2.9 | 4.5 | aCi/m3 |
1995 | 3 | 2 | 0.6 | 9.4 | 4 | 9.4 | aCi/m3 |
2000 | 2 | 2 | 0 | 2.4 | 1.2 | 1.7 | aCi/m3 |
U |
1987 | 89097 | 4 | 23.1 | 56.4 | 34.1 | 15.3 | pg/m3 |
1988 | 66917 | 4 | 33.6 | 59.8 | 46 | 10.8 | pg/m3 |
1989 | 60178 | 4 | 29.4 | 108.5 | 64.4 | 39.2 | pg/m3 |
1990 | 83709 | 4 | 15.6 | 40.2 | 23.6 | 11.4 | pg/m3 |
1991 | 71968 | 4 | 25.5 | 67.8 | 48.1 | 4.8 | pg/m3 |
1992 | 42788 | 4 | 46.9 | 107.2 | 63.2 | 25.7 | pg/m3 |
===================================================================================================== |
Tuesday, December 24, 2002 | Page 2 of 3 |