California Home	ARB:	Home	Search	Site Map				Contact Us

	Annual Toxics Summary Mexicali-Calzada Benito Juarez FAQs Manganese nanograms per cubic meter

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
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		22	*	*	*	32	7.07	2	1.5
2010		27	*	*	*	39	6.00	3	1.5
2009		19	*	*	*	19	34.8	1	1.5
2008		40	*	*	*	130	34.8	5	1.0
2007		23	*	*	*	60	18.5	3	1.5
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		*	*	*	*	*	*	0	*
2002		*	*	*	*	*	*	0	*
2001		16	61	*	120	150	37.7	19	2.0
2000		10	62.5	62.9	87.5	100	21.6	30	2.0
1999		13	63	67.4	120	160	37.4	30	2.0
1998		15	56	*	110	140	32.7	23	2.0
1997		12	*	*	*	170	45.0	9	2.0
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.