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	Annual Toxics Summary El Cajon-Redwood Avenue FAQs Barium 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		9.5	*	*	*	44	15.1	5	19
2002		9.5	32	34.8	54	88	18.7	29	19
2001		12.5	31	30.4	53	74	18.2	30	25
2000		12.5	37	*	64	92	21.9	14	25
1999		12.5	30	*	49	74	17.5	20	25
1998		12.5	12.5	27.6	48	69	17.6	24	25
1997		12.5	26	25.1	37	49	12.3	27	25
1996		12.5	12.5	25.8	46	65	16.0	27	25
1995		12.5	12.5	*	47	97	21.6	27	25
1994		12.5	12.5	*	33	58	12.3	27	25
1993		12.5	28	26.5	50	67	16.2	29	25
1992		12.5	12.5	20.1	40	44	11.6	26	25
1991		12.5	12.5	18.0	29	91	15.0	31	25
1990		12.5	12.5	*	12.5	68	14.7	15	25
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.