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	Annual Toxics Summary Simi Valley-Cochran Street FAQs Rubidium 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		1	*	*	*	4	1.3	4	1
2002		1	3	2.9	5	8	1.7	29	1
2001		1	3	*	5	7	1.7	24	2
2000		1	1	*	3	3	0.8	15	2
1999		1	2	*	4	6	1.6	27	2
1998		1	1	1.7	3	6	1.2	29	2
1997		1	1	1.9	4	4	1.2	31	2
1996		1	2	1.9	4	4	1.1	29	2
1995		1	1	1.8	4	5	1.4	31	2
1994		1	1	*	4	11	2.1	27	2
1993		1	1	2.2	4	6	1.6	31	2
1992		1	2	*	5	7	1.8	22	2
1991		1	3	2.6	4	5	1.4	28	2
1990		1	4	*	10	11	3.2	16	2
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.