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	Annual Toxics Summary Calexico-Ethel Street FAQs Methyl Bromide parts per billion

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2023		0.015	0.015	*	0.015	0.04	0.006	20	0.03
2022		0.015	0.015	0.015	0.015	0.015	0.000	31	0.03
2021		0.015	0.015	*	0.015	0.015	0.000	23	0.03
2020		0.015	*	*	*	0.015	0.000	7	0.03
2019		0.015	0.015	0.015	0.015	0.015	0.000	28	0.03
2018		0.015	0.015	0.016	0.015	0.03	0.003	28	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	0.04	0.004	29	0.03
2015		0.015	0.015	0.022	0.03	0.11	0.018	30	0.03
2014		0.015	0.015	0.019	0.04	0.05	0.010	30	0.03
2013		0.015	0.015	0.015	0.015	0.03	0.003	31	0.03
2012		0.015	0.015	0.022	0.05	0.10	0.019	29	0.03
2011		0.015	0.015	0.015	0.015	0.015	0.000	31	0.03
2010		0.015	0.015	*	0.015	0.015	0.000	19	0.03
2009		0.015	0.015	0.015	0.015	0.015	0.000	31	0.03
2008		0.015	0.015	0.015	0.015	0.015	0.000	29	0.03
2007		0.015	0.015	0.015	0.015	0.015	0.000	28	0.03
2006		0.015	0.015	0.015	0.015	0.015	0.000	31	0.03
2005		0.015	0.015	0.018	0.03	0.04	0.008	30	0.03
2004		0.015	0.015	0.032	0.06	0.31	0.057	31	0.03
2003		0.015	0.015	0.036	0.05	0.33	0.060	30	0.03
2002		0.015	0.015	0.020	0.015	0.11	0.018	29	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.