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	Annual Toxics Summary Burbank-W Palm Avenue 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	*	*	*	6	1.9	5	1
2002		1	3	3.6	5	6	1.3	30	1
2001		1	3	*	4	5	1.2	28	2
2000		1	3	2.3	3	5	1.1	31	2
1999		1	2	*	4	6	1.4	25	2
1998		1	3	2.4	4	5	1.2	29	2
1997		1	3	*	4	5	1.3	29	2
1996		1	2	*	4	5	1.3	23	2
1995		1	1	2.1	4	7	1.5	31	2
1994		1	3	*	4	5	1.3	27	2
1993		1	3	2.7	5	7	1.6	31	2
1992		1	3	3.6	4	46	8.0	31	2
1991		1	3	3.5	5	13	2.4	28	2
1990		1	4	*	6	12	2.5	15	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.