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	Annual Toxics Summary Bakersfield-5558 California Avenue FAQs Antimony nanograms per cubic meter

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2023		0.65	0.65	*	3	14	2.8	21	1.3
2022		0.65	2	3.6	8	19	3.9	30	1.3
2021		0.65	2	*	7	13	3.1	24	1.3
2020		2	*	*	*	6	1.6	9	1.3
2019		0.65	2	3.0	6	12	2.5	34	1.3
2018		0.65	2	3.2	6	13	3.0	37	1.3
2017		0.65	2	2.8	6	12	2.5	33	1.3
2016		0.65	2	*	6	10	2.5	33	1.3
2015		0.65	2	2.3	5	9	2.1	33	1.3
2014		0.85	2	*	7	8	2.4	16	1.7
2013		2	0.75	*	3	7	1.6	21	1.5
2012		1.5	1.5	2.0	4	6	1.2	32	3
2011		1.5	1.5	1.9	3	6	1.1	31	3
2010		1.5	1.5	1.6	1.5	4	0.4	29	3
2009		1.5	1.5	2.1	4	7	1.4	29	3
2008		*	*	*	*	*	*	0	*
2007		1.5	1.5	*	3	5	0.9	20	3
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		3	*	*	*	3	0.0	5	6
2002		2.5	2.5	2.9	2.5	9	1.1	36	5
2001		2.5	2.5	3.1	6	8	1.5	39	5
2000		2.5	2.5	3.2	6	8	1.6	40	5
1999		2.5	2.5	2.8	2.5	7	1.0	39	5
1998		2.5	2.5	3.0	5	9	1.7	42	5
1997		2.5	2.5	2.6	2.5	5	0.4	34	5
1996		2.5	2.5	2.5	2.5	2.5	0.0	36	5
1995		2.5	2.5	2.6	2.5	5	0.5	30	5
1994		2.5	2.5	*	2.5	2.5	0.0	25	5
1993		*	*	*	*	*	*	0	*
1992		*	*	*	*	*	*	0	*
1991		*	*	*	*	*	*	0	*
1990		*	*	*	*	*	*	0	*
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.