California Home	ARB:	Home	Search	Site Map				Contact Us

	Annual Toxics Summary El Cajon-Lexington Elementary School FAQs Toluene parts per billion

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2024		0.1	0.1	*	0.5	0.9	0.24	15	0.2
2023		0.1	0.3	*	0.7	0.9	0.24	28	0.2
2022		0.1	0.2	0.28	0.6	0.8	0.22	31	0.2
2021		0.1	0.2	*	0.6	1.1	0.25	23	0.2
2020		0.1	*	*	*	0.8	0.27	9	0.2
2019		0.1	0.3	0.34	0.7	0.9	0.26	30	0.2
2018		0.1	0.3	0.57	1.2	3.6	0.68	31	0.2
2017		0.1	0.4	0.56	1.2	2.4	0.54	29	0.2
2016		0.4	0.8	*	1.1	1.5	0.28	13	0.2
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	*
2002		*	*	*	*	*	*	0	*
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.