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	Annual Toxics Summary El Cajon-Redwood Avenue FAQs Vanadium 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		1.2	*	*	*	7.2	2.50	4	2.4
2013		0.6	2.0	*	5.2	6.2	1.75	28	1.2
2012		0.75	0.75	1.58	3.2	4.9	1.16	29	1.5
2011		0.75	0.75	*	3.7	5.6	1.43	29	1.5
2010		0.75	2.0	2.08	4.0	4.8	1.38	25	1.5
2009		0.75	2.5	2.62	5.2	6.5	1.90	31	1.5
2008		*	*	*	*	*	*	0	*
2007		0.75	4.3	*	11.2	34	6.74	27	1.5
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		3.0	*	*	*	10	2.88	5	2.0
2002		5.0	11	12.6	19.8	49	9.52	29	2.0
2001		5	13	14.2	22.3	53	9.86	30	10
2000		5	5	*	21.7	23	7.22	14	10
1999		5	5	*	30.3	33	10.4	20	10
1998		5	5	7.56	11.7	29	6.74	24	10
1997		5	5	7.83	15.6	28	5.84	27	10
1996		5	5	9.86	20.4	33	7.45	27	10
1995		5	5	*	21	52	10.4	27	10
1994		5	5	*	24.6	41	9.90	27	10
1993		5	5	10.7	21	52	10.7	29	10
1992		5	5	11.8	21.5	50	12.4	26	10
1991		5	11	23.2	24	280	48.8	31	10
1990		5	12	*	21.2	26	6.66	15	10
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.