Air Concentration Summaries from |
Environmental Surveillance Reports |
White Rock Nazarene Church |
------------------------------------------------------ |
Calendar | Total Air | Total # | # Samples | Air Concentrations |
Year | Volume (m3) | Samples | < MDA | ------------------------------------------------------ |
Min | Max | Mean | Std.Dev. | Units |
==================================================================================================== |
Pu-239 |
1990 | 23012 | 1 | 1 | 0.7 | 0.7 | 0.7 | aCi/m3 |
1991 | 101544 | 4 | 4 | 0 | 1.3 | 0.7 | 0.4 | aCi/m3 |
1992 | 60712 | 4 | 3 | 0.8 | 4.2 | 2 | 6.1 | aCi/m3 |
1993 | 44400 | 3 | 3 | 1 | 1.9 | 1.3 | 1 | aCi/m3 |
1994 | 56700 | 4 | 3 | -0.3 | 4.3 | 1.1 | 4.3 | aCi/m3 |
1995 | 4 | 4 | 0.3 | 2.2 | 1.3 | 1.6 | aCi/m3 |
1996 | 4 | 3 | 0.3 | 2.4 | 1.2 | 0.9 | aCi/m3 |
1997 | 4 | 4 | -0.5 | 0.5 | 0.2 | 0.5 | aCi/m3 |
1998 | 4 | 3 | -0.3 | 1.7 | 0.7 | 0.8 | aCi/m3 |
1999 | 4 | 4 | -0.2 | 3 | 0.9 | 1.4 | aCi/m3 |
2000 | 4 | 4 | -0.5 | 0.5 | -0.1 | 0.4 | aCi/m3 |
U |
1990 | 23012.2 | 1 | 19.9 | 19.9 | 19.9 | pg/m3 |
1991 | 101544 | 4 | 11.4 | 51.4 | 25.3 | 2.5 | pg/m3 |
1992 | 60712 | 4 | 14 | 59 | 30.2 | 21 | pg/m3 |
U-234 |
1992 | 60712 | 4 | 4 | 12.5 | 8.6 | 7.1 | aCi/m3 |
1993 | 29300 | 2 | 3.2 | 4.1 | 3.7 | aCi/m3 |
1994 | 56700 | 4 | 1 | 0.9 | 18.6 | 7.1 | 15.8 | aCi/m3 |
1995 | 4 | 2 | 2.5 | 20.7 | 8.8 | 16.3 | aCi/m3 |
1996 | 4 | 1 | 2.5 | 13.8 | 9.5 | 4.9 | aCi/m3 |
1997 | 4 | 2 | 4.2 | 8.2 | 6.5 | 1.9 | aCi/m3 |
1998 | 4 | 3 | 4.1 | 8.4 | 5.7 | 2 | aCi/m3 |
1999 | 4 | 1 | 5.5 | 11.5 | 9 | 2.6 | aCi/m3 |
2000 | 4 | 1 | 0.8 | 15.4 | 8 | 6.7 | aCi/m3 |
===================================================================================================== |
Tuesday, December 24, 2002 | Page 3 of 4 |