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	Annual Toxics Summary Chula Vista FAQs Vanadium nanograms per cubic meter

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2024		1.04	1.04	*	1.04	1.04	0.00	13	2.08
2023		1.04	1.04	1.18	1.04	3.8	0.56	31	2.08
2022		1.04	1.04	1.30	2.4	3.8	0.66	31	2.08
2021		1.04	1.04	*	2.3	2.8	0.57	23	2.08
2020		1.04	*	*	*	2.5	0.52	8	2.08
2019		1.04	1.04	1.52	2.8	3.6	0.79	30	2.08
2018		1.04	1.04	1.98	4.0	7.4	1.47	31	2.08
2017		1.04	1.04	2.17	3.7	6.3	1.42	30	2.08
2016		1.04	1.04	*	2.8	6.3	1.42	27	2.08
2015		1.04	1.04	1.35	2.6	2.9	0.64	30	2.08
2014		1.2	1.2	1.76	3.5	5.6	1.23	31	2.4
2013		0.6	0.6	*	2.8	4.1	0.98	28	1.2
2012		0.75	0.75	1.58	2.6	3.8	0.89	29	1.5
2011		0.75	0.75	*	4.1	4.2	1.39	23	1.5
2010		0.75	2.0	2.35	4.8	8.3	1.79	26	1.5
2009		0.75	3.3	*	4.8	6.8	1.49	27	1.5
2008		*	*	*	*	*	*	0	*
2007		0.75	3.7	5.26	11	42	7.64	30	1.5
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		3.0	*	*	*	15	4.95	5	2.0
2002		5.0	8.0	10.5	17.2	38	7.38	30	2.0
2001		5	11.5	13.8	22.8	48	11.3	28	10
2000		5	12	*	22	23	6.46	11	10
1999		5	5	*	29.6	49	13.9	17	10
1998		5	5	11.9	19	81	17.7	27	10
1997		5	5	14.4	38	110	22.7	29	10
1996		5	5	15.8	22.9	140	25.9	30	10
1995		5	5	18.1	61.2	120	29.4	29	10
1994		5	5	13.7	33.1	100	19.4	30	10
1993		5	5	16.3	43.4	74	17.9	27	10
1992		5	5	13.0	21.6	120	22.1	28	10
1991		5	5	10.2	19.6	32	7.86	29	10
1990		5	5	*	17.5	23	6.11	16	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.