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	Annual Toxics Summary Simi Valley-Cochran Street FAQs Methyl Bromide parts per billion

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2023		*	*	*	*	*	*	0	*
2022		0.015	0.015	*	0.015	0.015	0.000	16	0.03
2021		0.015	0.015	*	0.015	0.015	0.000	23	0.03
2020		0.015	*	*	*	0.015	0.000	9	0.03
2019		0.015	0.015	0.015	0.015	0.015	0.000	30	0.03
2018		0.015	0.015	0.015	0.015	0.015	0.000	31	0.03
2017		0.015	0.015	0.015	0.015	0.015	0.000	30	0.03
2016		0.015	0.015	0.020	0.015	0.06	0.012	30	0.03
2015		0.015	0.015	0.024	0.04	0.17	0.031	28	0.03
2014		0.015	0.015	0.018	0.015	0.05	0.010	27	0.03
2013		0.015	0.015	*	0.015	0.04	0.006	26	0.03
2012		0.015	0.015	*	0.07	0.18	0.040	20	0.03
2011		0.015	0.015	0.056	0.14	0.54	0.114	31	0.03
2010		0.015	0.015	0.039	0.07	0.30	0.060	30	0.03
2009		0.015	0.015	0.039	0.08	0.34	0.063	31	0.03
2008		0.015	0.015	0.051	0.15	0.33	0.073	32	0.03
2007		0.015	0.015	0.058	0.20	0.41	0.092	31	0.03
2006		0.015	0.04	0.073	0.17	0.26	0.068	31	0.03
2005		0.015	0.04	0.075	0.20	0.57	0.116	30	0.03
2004		0.015	0.015	0.062	0.13	0.54	0.100	31	0.03
2003		0.015	0.015	0.120	0.53	0.90	0.252	31	0.03
2002		0.015	0.05	0.101	0.33	0.91	0.214	26	0.03
2001		*	*	*	*	*	*	0	*
2000		*	*	*	*	*	*	0	*
1999		*	*	*	*	*	*	0	*
1998		*	*	*	*	*	*	0	*
1997		*	*	*	*	*	*	0	*
1996		*	*	*	*	*	*	0	*
1995		*	*	*	*	*	*	0	*
1994		*	*	*	*	*	*	0	*
1993		*	*	*	*	*	*	0	*
1992		*	*	*	*	*	*	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.