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	Annual Toxics Summary Chico-East Avenue 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	2.98	1	2.08
2023		1.04	2.7	3.34	6.1	15.5	2.98	30	2.08
2022		1.04	2.8	*	5.4	7.3	1.76	28	2.08
2021		1.04	2.3	*	6.0	7.6	2.07	23	2.08
2020		1.04	*	*	*	3.5	0.94	7	2.08
2019		1.04	1.04	3.27	6.6	13.6	3.06	29	2.08
2018		1.04	2.6	3.41	7.4	9.9	2.85	31	2.08
2017		1.04	1.04	3.03	7.0	13.3	3.08	31	2.08
2016		1.04	1.04	*	4.8	16.5	3.18	32	2.08
2015		1.04	2.2	2.54	5.0	6.9	1.67	30	2.08
2014		1.2	1.2	1.81	3.3	5.0	1.08	31	2.4
2013		0.6	2.0	*	5.7	6.9	1.96	28	1.2
2012		0.75	0.75	*	3.0	3.7	1.06	18	1.5
2011		*	*	*	*	*	*	0	*
2010		*	*	*	*	*	*	0	*
2009		*	*	*	*	*	*	0	*
2008		*	*	*	*	*	*	0	*
2007		*	*	*	*	*	*	0	*
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		*	*	*	*	*	*	0	*
2002		*	*	*	*	*	*	0	*
2001		*	*	*	*	*	*	0	*
2000		*	*	*	*	*	*	0	*
1999		*	*	*	*	*	*	0	*
1998		*	*	*	*	*	*	0	*
1997		*	*	*	*	*	*	0	*
1996		*	*	*	*	*	*	0	*
1995		*	*	*	*	*	*	0	*
1994		*	*	*	*	*	*	0	*
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.