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	Annual Toxics Summary Rosarito FAQs Benzene parts per billion

Read About Estimated Risk

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit	Estimated Risk
2022		*	*	*	*	*	*	0	*	*
2021		*	*	*	*	*	*	0	*	*
2020		*	*	*	*	*	*	0	*	*
2019		*	*	*	*	*	*	0	*	*
2018		*	*	*	*	*	*	0	*	*
2017		*	*	*	*	*	*	0	*	*
2016		*	*	*	*	*	*	0	*	*
2015		*	*	*	*	*	*	0	*	*
2014		*	*	*	*	*	*	0	*	*
2013		*	*	*	*	*	*	0	*	*
2012		*	*	*	*	*	*	0	*	*
2011		*	*	*	*	*	*	0	*	*
2010		0.14	0.38	*	1.01	1.1	0.325	13	0.05	*
2009		0.13	0.27	*	0.64	0.68	0.204	13	0.05	*
2008		0.23	*	*	*	9.1	3.21	7	0.05	*
2007		0.24	*	*	*	0.66	0.148	10	0.05	*
2006		0.18	0.48	*	1.3	3.1	0.752	15	0.05	*
2005		0.16	0.57	0.628	1.13	1.7	0.39	28	0.05	163
2004		0.18	0.49	0.55	0.88	1.4	0.304	30	0.05	143
2003		0.26	0.61	0.679	1.11	1.5	0.294	30	0.05	177
2002		0.24	0.42	*	0.98	1.4	0.316	27	0.05	*
2001		0.2	0.51	*	0.81	1.2	0.228	24	0.05	*
2000		0.3	0.7	*	1.4	3.4	0.71	19	0.2	*
1999		0.2	0.7	1.08	1.9	3.8	0.79	30	0.2	282
1998		0.5	0.8	*	1.2	2.2	0.38	28	0.2	*
1997		0.1	0.5	*	1.8	2.2	0.69	24	0.2	*
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.