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	Annual Toxics Summary Chula Vista FAQs Beryllium nanograms per cubic meter

Read About Estimated Risk

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit	Estimated Risk
2023		0.152	0.152	*	0.152	0.152	0.000	20	0.304	*
2022		0.152	0.152	0.150	0.152	0.152	0.000	31	0.304	1
2021		0.152	0.152	*	0.152	0.152	0.000	23	0.304	*
2020		0.152	*	*	*	0.152	0.000	8	0.304	*
2019		0.152	0.152	0.150	0.152	0.152	0.000	30	0.304	1
2018		0.152	0.152	0.150	0.152	0.152	0.000	31	0.304	1
2017		0.152	0.152	0.150	0.152	0.152	0.000	30	0.304	1
2016		0.152	0.152	*	0.152	0.152	0.000	27	0.304	*
2015		0.152	0.152	0.150	0.152	0.152	0.000	30	0.304	1
2014		0.2	0.2	0.200	0.2	0.2	0.000	31	0.40	1
2013		0.3	0.3	*	0.3	0.3	0.000	23	0.60	*
2012		*	*	*	*	*	*	0	*	*
2011		*	*	*	*	*	*	0	*	*
2010		*	*	*	*	*	*	0	*	*
2009		*	*	*	*	*	*	0	*	*
2008		*	*	*	*	*	*	0	*	*
2007		*	*	*	*	*	*	0	*	*
2006		*	*	*	*	*	*	0	*	*
2005		*	*	*	*	*	*	0	*	*
2004		*	*	*	*	*	*	0	*	*
2003		*	*	*	*	*	*	0	*	*
2002		*	*	*	*	*	*	0	*	*
2001		*	*	*	*	*	*	0	*	*
2000		*	*	*	*	*	*	0	*	*
1999		*	*	*	*	*	*	0	*	*
1998		*	*	*	*	*	*	0	*	*
1997		*	*	*	*	*	*	0	*	*
1996		*	*	*	*	*	*	0	*	*
1995		*	*	*	*	*	*	0	*	*
1994		*	*	*	*	*	*	0	*	*
1993		0.01	0.01	*	0.02	0.04	0.006	28	0.02	*
1992		*	*	*	*	*	*	0	*	*
1991		0.01	0.01	*	0.01	0.01	0.000	22	0.02	*
1990		0.01	0.02	0.020	0.03	0.05	0.009	31	0.02	0.1
1989		0.01	0.01	0.013	0.01	0.03	0.006	12	0.02	0.09

	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.