California Home	ARB:	Home	Search	Site Map				Contact Us

	Annual Toxics Summary Santa Barbara-W Carillo Street FAQs Zirconium 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		*	*	*	*	*	*	0	*
2013		*	*	*	*	*	*	0	*
2012		*	*	*	*	*	*	0	*
2011		*	*	*	*	*	*	0	*
2010		*	*	*	*	*	*	0	*
2009		*	*	*	*	*	*	0	*
2008		*	*	*	*	*	*	0	*
2007		*	*	*	*	*	*	0	*
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		*	*	*	*	*	*	0	*
2002		*	*	*	*	*	*	0	*
2001		*	*	*	*	*	*	0	*
2000		1	*	*	*	3.0	1.10	5	2.0
1999		1	2.0	2.47	4.0	7.0	1.52	28	2.0
1998		1	2.0	*	4.0	7.0	1.53	25	2.0
1997		1	2.0	2.71	5.0	6.0	1.71	27	2.0
1996		1	1	2.24	4.0	8.0	1.75	27	2.0
1995		1	3.0	2.85	5.0	8.0	1.69	30	2.0
1994		1	1	1.97	4.0	5.0	1.24	27	2.0
1993		1	3.0	*	4.0	8.0	1.63	27	2.0
1992		1	2.0	2.36	5.0	7.0	1.66	30	2.0
1991		1	2.0	2.89	5.0	11	2.20	29	2.0
1990		1	5.0	*	8.0	13	3.06	16	2.0
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.