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	Annual Toxics Summary Chico-Manzanita Avenue FAQs Molybdenum nanograms per cubic meter

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2024		*	*	*	*	*	*	0	*
2023		*	*	*	*	*	*	0	*
2022		*	*	*	*	*	*	0	*
2021		*	*	*	*	*	*	0	*
2020		*	*	*	*	*	*	0	*
2019		*	*	*	*	*	*	0	*
2018		*	*	*	*	*	*	0	*
2017		*	*	*	*	*	*	0	*
2016		*	*	*	*	*	*	0	*
2015		*	*	*	*	*	*	0	*
2014		*	*	*	*	*	*	0	*
2013		*	*	*	*	*	*	0	*
2012		0.75	0.75	*	0.75	0.75	0.00	12	1.5
2011		0.75	0.75	*	0.75	0.75	0.00	23	1.5
2010		0.75	0.75	0.78	0.75	1.7	0.17	30	1.5
2009		0.75	0.75	0.75	0.75	0.75	0.00	30	1.5
2008		*	*	*	*	*	*	0	*
2007		0.75	0.75	*	0.75	0.75	0.00	27	1.5
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		1	*	*	*	1	0.00	5	2.0
2002		2.0	1	3.26	7.0	8.0	2.00	31	2.0
2001		2	2	2.21	2	8.0	1.26	32	4.0
2000		2	2	2.00	2	2	0.00	31	4.0
1999		2	2	2.08	2	5.0	0.55	30	4.0
1998		2	2	2.00	2	2	0.00	32	4.0
1997		2	2	2.00	2	2	0.00	30	4.0
1996		2	2	2.00	2	2	0.00	29	4.0
1995		2	2	2.00	2	2	0.00	29	4.0
1994		2	2	2.19	2	5.0	0.73	30	4.0
1993		2	2	2.00	2	2	0.00	29	4.0
1992		2	2	*	2	2	0.00	16	4.0
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.