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	Annual Toxics Summary Fremont-Chapel Way FAQs Bromine nanograms per cubic meter

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2025		*	*	*	*	*	*	0	*
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	*
2011		*	*	*	*	*	*	0	*
2010		*	*	*	*	*	*	0	*
2009		*	*	*	*	*	*	0	*
2008		*	*	*	*	*	*	0	*
2007		*	*	*	*	*	*	0	*
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		0.5	*	*	*	7	2.7	5	1
2002		2	6	*	14	27	5.6	24	1
2001		1	5	*	15	24	5.9	27	2
2000		1	4	5.4	12	21	4.6	28	2
1999		1	6	6.8	10	15	3.4	28	2
1998		1	7	6.8	10	16	3.1	25	2
1997		1	5	*	11	18	4.1	28	2
1996		1	7	8.9	14	30	5.7	30	2
1995		1	5	4.9	9	13	3.0	30	2
1994		1	7	7.6	14	20	4.7	29	2
1993		1	6	6.5	10	14	3.1	29	2
1992		1	6	6.3	11	14	3.8	31	2
1991		1	7	6.7	12	13	3.7	29	2
1990		1	7	*	13	14	4.2	15	2
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.