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	Annual Statewide Toxics Summary Vanadium FAQs nanograms per cubic meter

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2017		1.04	2.4	2.95	6.1	16.2	2.37	407	2.08
2016		1.04	1.04	2.37	5.8	16.5	2.30	424	2.08
2015		1.04	1.04	2.26	4.8	20.9	2.10	418	2.08
2014		1.2	1.2	2.35	5.0	23	2.21	398	2.4
2013		0.6	1.8	*	4.9	12	1.84	431	1.2
2012		0.75	0.75	1.53	3.2	7.8	1.19	463	1.5
2011		0.75	0.75	*	3.9	10	1.57	400	1.5
2010		0.75	0.75	1.80	4.0	10	1.46	424	1.5
2009		0.75	1.8	2.32	5.0	17	2.07	516	1.5
2008		*	*	*	*	*	*	0	*
2007		0.75	2.7	3.78	8.3	42	4.11	459	1.5
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		1	4.0	*	14	24	5.57	86	2.0
2002		1	11	12.7	24	49	8.87	491	2.0
2001		5	11	13.7	28	160	12.3	505	10
2000		5	5	8.03	16	32	5.46	472	10
1999		5	5	7.58	15	49	5.72	565	10
1998		5	5	6.93	12	81	5.75	561	10
1997		5	5	7.36	13	110	7.73	557	10
1996		5	5	7.82	15.6	140	8.07	595	10
1995		5	5	8.04	15	120	8.65	602	10
1994		5	5	7.69	14	100	6.63	585	10
1993		5	5	8.38	16	74	6.91	575	10
1992		5	5	9.08	18	120	9.39	554	10
1991		5	10	12.2	22	280	14.0	567	10
1990		5	12	*	22	36	7.08	309	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.