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	Annual Toxics Summary Stockton-Hazelton Street FAQs Antimony 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		0.65	0.65	*	2	5	1.1	15	1.3
2020		0.65	*	*	*	15	6.4	7	1.3
2019		0.65	2	3.4	6	23	4.2	30	1.3
2018		0.65	3	5.2	11	29	5.6	32	1.3
2017		0.65	3	3.7	7	24	4.2	32	1.3
2016		0.65	2	3.8	8	18	4.4	32	1.3
2015		0.65	0.65	3.2	7	23	4.6	31	1.3
2014		0.85	0.85	2.7	6	10	2.5	31	1.7
2013		2	0.75	*	9	21	4.6	30	1.5
2012		1.5	1.5	1.8	1.5	6	0.9	30	3
2011		1.5	1.5	1.6	1.5	4	0.4	31	3
2010		1.5	1.5	1.5	1.5	1.5	0.0	29	3
2009		1.5	1.5	1.6	1.5	4	0.4	32	3
2008		*	*	*	*	*	*	0	*
2007		1.5	1.5	*	20	20	6.5	29	3
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		3	*	*	*	3	0.0	5	6
2002		2.5	2.5	3.0	2.5	7	0.9	35	5
2001		2.5	2.5	2.7	2.5	6	1.0	35	5
2000		2.5	2.5	2.9	5	6	1.2	33	5
1999		2.5	2.5	2.9	2.5	9	1.4	31	5
1998		2.5	2.5	2.5	2.5	2.5	0.0	31	5
1997		2.5	2.5	2.5	2.5	2.5	0.0	29	5
1996		2.5	2.5	2.5	2.5	2.5	0.0	32	5
1995		2.5	2.5	*	2.5	5	0.7	27	5
1994		2.5	2.5	2.6	2.5	5	0.4	34	5
1993		2.5	2.5	2.5	2.5	2.5	0.0	31	5
1992		2.5	*	*	*	2.5	0.0	10	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.