Air Concentration Summaries from

Environmental Surveillance Reports

Bandelier Fire Lookout

------------------------------------------------------

Calendar
Total Air
Total #
# Samples
Air Concentrations

Year
Volume (m3)
Samples
< MDA
------------------------------------------------------

Min
Max
Mean Std.Dev. Units

====================================================================================================

Pu-238

1971B 3
51
19
68
aCi/m3

1972 59
17
aCi/m3

1973 9
4
2
aCi/m3

1974 5
1.6
0.8
aCi/m3

1975 2
0.3
0.6
aCi/m3

1976 100135
8
6
-1.3
5.3
0.5
0.7
aCi/m3

1977 73164
5
5
-5.6
0.1
-1.2
2.7
aCi/m3

1978 67406
4
4
-3.6
-1.2
-2.1
1.1
aCi/m3

1979 77173
5
5
-4.6
-1.9
-2.6
1.2
aCi/m3

1980 88772
4
4
-2.9
-1.4
-2.2
0.7
aCi/m3

1981 43426
4
4
-2.9
-1.4
-2.3
0.7
aCi/m3

1982 64818
4
4
-4.6
-0.8
-2
1.8
aCi/m3

1990 80737
4
4
0
0.5
0.3
0.2
aCi/m3

1991 63776
3
3
0.2
1.5
0.8
0.5
aCi/m3

1992 55826
4
4
-0.4
1.6
0.2
4.4
aCi/m3

1993 39900
3
3
0
2.1
1.2
2.2
aCi/m3

1994 50100
4
3
-1.5
5.9
1.3
6.4
aCi/m3

1995 4
3
0.7
2.8
1.7
1.8
aCi/m3

1996 4
4
-0.7
0.2
-0.1
0.4
aCi/m3

1997 4
4
0
0.3
0.1
0.1
aCi/m3

1998 4
4
0.1
1.5
0.7
0.6
aCi/m3

1999 4
4
0.1
1.4
0.5
0.6
aCi/m3

2000 4
4
-0.7
0.1
-0.1
0.4
aCi/m3

=====================================================================================================

Tuesday, December 24, 2002 Page 4 of 7
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