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Annual Statewide Toxics Summary
Aluminum
FAQs
nanograms per cubic meter
Year
Months
Present
Minimum
Median
Mean
90th
Percentile
Maximum
Standard
Deviation
Number of
Observations
Detection
Limit
2024
*
*
*
*
*
*
0
*
2023
*
*
*
*
*
*
0
*
2022
*
*
*
*
*
*
0
*
2021
*
*
*
*
*
*
0
*
2020
*
*
*
*
*
*
0
*
2019
*
*
*
*
*
*
0
*
2018
*
*
*
*
*
*
0
*
2017
*
*
*
*
*
*
0
*
2016
*
*
*
*
*
*
0
*
2015
*
*
*
*
*
*
0
*
2014
*
*
*
*
*
*
0
*
2013
*
*
*
*
*
*
0
*
2012
*
*
*
*
*
*
0
*
2011
*
*
*
*
*
*
0
*
2010
*
*
*
*
*
*
0
*
2009
*
*
*
*
*
*
0
*
2008
*
*
*
*
*
*
0
*
2007
*
*
*
*
*
*
0
*
2006
*
*
*
*
*
*
0
*
2005
*
*
*
*
*
*
0
*
2004
*
*
*
*
*
*
0
*
2003
120
830
*
2000
5800
1070
86
4
2002
2
1600
1980
4300
8300
1490
491
4
2001
43
1300
1760
3900
7700
1430
505
5
2000
36
1400
1790
4000
8700
1490
472
5
1999
59
1200
1790
4000
10000
1620
565
5
1998
18
960
1390
3300
10000
1430
561
5
1997
31
1100
1480
3100
10000
1420
557
5
1996
17
980
1370
3100
8300
1310
595
5
1995
38
1200
1650
3600
9500
1620
602
5
1994
45
1200
1530
3300
6500
1270
585
5
1993
35
1200
1640
3700
10000
1560
575
5
1992
14
1300
1730
3800
16000
1600
554
5
1991
66
1500
2100
4500
25000
2080
567
5
1990
170
2200
*
5700
11000
2120
309
5
1989
*
*
*
*
*
*
0
*
Notes
:
Values below the Limit of Detection (LoD) assumed to be ½ LoD.
Means and risks shown only for years with data in all 12 months.
"*" means there was insufficient or no data available to determine the value.