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

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2023		1.04	3.0	*	6.0	8.2	2.05	21	2.08
2022		1.04	4.3	4.44	7.7	12.6	2.91	30	2.08
2021		1.04	5.4	*	10.8	12.6	3.23	24	2.08
2020		1.04	*	*	*	6.1	1.70	9	2.08
2019		1.04	4.4	5.24	10.1	12.9	3.37	34	2.08
2018		1.04	5.2	5.11	9.8	12.7	3.47	37	2.08
2017		1.04	4.3	4.66	8.4	11.4	3.15	33	2.08
2016		1.04	4.2	*	8.7	10.8	2.94	33	2.08
2015		1.04	3.4	3.80	6.8	20.9	3.74	33	2.08
2014		1.2	3.9	*	10.3	23	5.54	16	2.4
2013		0.6	3.4	*	7.0	11	2.54	21	1.2
2012		0.75	2.4	2.97	5.6	7.8	1.98	32	1.5
2011		0.75	1.9	*	5.4	8.0	2.06	30	1.5
2010		0.75	0.75	1.85	4.4	6.6	1.63	28	1.5
2009		0.75	2.0	2.05	3.3	4.6	1.11	29	1.5
2008		*	*	*	*	*	*	0	*
2007		0.75	2.8	2.81	4.4	9.7	1.87	32	1.5
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		1	*	*	*	6.0	1.82	5	2.0
2002		5.0	12.5	12.8	21.5	34	7.58	36	2.0
2001		5	11	12.8	25	35	8.45	39	10
2000		5	5	6.48	11.1	15	2.82	40	10
1999		5	5	7.59	16	22	4.83	39	10
1998		5	5	6.86	14.8	18	3.89	42	10
1997		5	5	7.37	12	18	3.71	34	10
1996		5	5	6.36	12	20	3.70	36	10
1995		5	5	7.81	18	21	5.29	30	10
1994		5	5	*	14.6	17	4.30	25	10
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.