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

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

Alpha

1971B 8
0.9
0.3
0.2
fCi/m3

1972 4.5
1.4
0.2
fCi/m3

1973 2
1
0.4
fCi/m3

1974 0.4
3.8
1.3
0.1
fCi/m3

1975 0.5
2.2
1.2
0.1
fCi/m3

1976 100207
26
0.7
4.2
1.4
0.2
fCi/m3

1977 69939
26
6
0.1
4.5
1.7
2.3
fCi/m3

1978 67895
13
0.5
6.8
2.3
2.7
fCi/m3

1979 79773
12
0.6
6
2.7
3.3
fCi/m3

1980 88772
12
2
5.5
3.5
0.7
fCi/m3

1981 43426
12
0.7
10
5.2
1.9
fCi/m3

1982 64818
12
1.1
5.6
3.4
0.7
fCi/m3

1993 54800
23
0.9
9.6
2.4
4.4
fCi/m3

1994 49200
23
1.6
5.7
3.5
1.9
fCi/m3

1995 25
0.4
6.5
1.9
2.8
fCi/m3

1996 26
2
0.2
4.2
0.9
1.5
fCi/m3

1997 27
2
0.12
1.46
0.5
0.25
fCi/m3

1998 25
1
0.07
1.45
0.65
0.37
fCi/m3

1999 26
0
0.3
2.17
0.87
0.45
fCi/m3

2000 26
0
0.44
1.42
0.9
0.31
fCi/m3

Am-241

1992 29973
2
2
0.6
0.6
0.7
aCi/m3

1995 3
1
2.8
4.3
3.7
1.5
aCi/m3

1996 4
1.2
2.7
1.8
0.7
aCi/m3

1997 4
3
1.5
3.9
2.5
1.1
aCi/m3

1998 4
4
0.6
3.2
2
1.1
aCi/m3

1999 4
4
1.4
3
2.3
0.8
aCi/m3

2000 4
4
-1.4
1.3
-0.2
1.2
aCi/m3

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

Tuesday, December 24, 2002 Page 1 of 7
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