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Annual Toxics Summary
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Calcium
nanograms per cubic meter
Year Months
Present
Minimum Median Mean 90th
Percentile
Maximum Standard
Deviation
Number of
Observations
Detection
Limit
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
* * * * * * 0 *
2002
590 * * * 1700 370 10 9
2001
250 1200 1430 2500 4000 911 30 3
2000
180 1100 1320 1900 3900 771 28 3
1999
410 1000 1180 1800 2800 611 30 3
1998
280 730 1000 1800 3100 700 29 3
1997
150 890 960 1600 1900 478 30 3
1996
200 860 895 1500 1700 460 28 3
1995
75 740 976 1700 3200 777 30 3
1994
170 1000 979 1600 2700 564 31 3
1993
230 1000 1050 1800 3100 607 29 3
1992
260 1000 1120 1700 2500 517 30 3
1991
300 1000 1240 2300 2800 697 28 3
1990
530 1300 * 1500 2300 397 15 3
1989
* * * * * * 0 *
Graph It!
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.