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	Annual Toxics Summary Los Angeles-North Main 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	11	0.03
2021		0.015	0.015	*	0.015	0.015	0.000	22	0.03
2020		0.015	*	*	*	0.03	0.008	5	0.03
2019		0.015	0.015	*	0.015	0.015	0.000	20	0.03
2018		0.015	0.015	*	0.015	0.015	0.000	20	0.03
2017		0.015	0.015	0.015	0.015	0.015	0.000	29	0.03
2016		0.015	0.015	0.016	0.015	0.06	0.009	30	0.03
2015		0.015	0.015	0.018	0.015	0.04	0.008	26	0.03
2014		0.015	0.015	*	0.015	0.05	0.009	23	0.03
2013		0.015	0.015	0.016	0.015	0.03	0.003	31	0.03
2012		0.015	0.015	0.018	0.04	0.06	0.010	29	0.03
2011		0.015	0.015	0.016	0.015	0.04	0.004	31	0.03
2010		0.015	0.015	0.018	0.015	0.06	0.009	29	0.03
2009		0.015	0.015	0.017	0.015	0.04	0.006	29	0.03
2008		0.015	0.015	0.021	0.04	0.08	0.015	29	0.03
2007		0.015	0.015	0.018	0.015	0.05	0.008	23	0.03
2006		0.015	0.015	*	0.04	0.07	0.015	25	0.03
2005		0.015	0.015	0.029	0.05	0.15	0.028	30	0.03
2004		0.015	0.015	0.023	0.05	0.07	0.015	24	0.03
2003		0.015	0.015	0.032	0.06	0.10	0.025	29	0.03
2002		0.015	0.03	*	0.07	0.14	0.030	21	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.