California Home	ARB:	Home	Search	Site Map				Contact Us

	Annual Statewide Toxics Summary Antimony FAQs nanograms per cubic meter

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2017		0.65	3	3.8	8	42	4.2	407	1.3
2016		0.65	2	3.8	8	38	4.4	424	1.3
2015		0.65	2	3.2	7	35	4.0	418	1.3
2014		0.85	3	3.9	8	39	4.3	398	1.7
2013		0.75	3	*	9	29	4.1	431	1.5
2012		1.5	1.5	2.7	6	24	2.5	454	3
2011		1.5	1.5	2.5	5	22	2.3	434	3
2010		1.5	1.5	2.5	5	19	2.2	440	3
2009		1.5	1.5	2.8	6	28	2.5	516	3
2008		*	*	*	*	*	*	0	*
2007		1.5	1.5	4.1	8	39	4.8	269	3
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		3	3	*	7	29	3.6	86	6
2002		2.5	2.5	3.9	7	29	2.9	491	5
2001		2.5	2.5	3.4	6	40	2.8	505	5
2000		2.5	2.5	3.4	7	17	2.3	472	5
1999		2.5	2.5	3.5	6	48	3.3	565	5
1998		2.5	2.5	3.0	5	18	1.7	561	5
1997		2.5	2.5	2.9	2.5	28	1.9	557	5
1996		2.5	2.5	2.8	2.5	24	1.4	595	5
1995		2.5	2.5	2.9	5	13	1.4	602	5
1994		2.5	2.5	3.6	5	320	13.2	585	5
1993		2.5	2.5	3.2	6	16	1.8	575	5
1992		2.5	2.5	*	5	17	1.8	192	5
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.