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	Annual Toxics Summary El Cajon-Redwood Avenue FAQs Benzo(g,h,i)perylene-10 nanograms per cubic meter

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2005		0.10	*	*	*	0.40	0.117	5	0.05
2004		0.025	0.09	0.207	0.65	1.1	0.276	31	0.05
2003		0.025	0.07	0.200	0.47	1.1	0.250	31	0.05
2002		0.025	0.09	0.240	0.58	1.1	0.293	31	0.05
2001		0.025	0.09	0.355	1.1	2.9	0.674	30	0.05
2000		0.025	0.11	0.450	1.2	2.3	0.619	31	0.05
1999		0.025	0.28	0.639	1.62	3.0	0.766	30	0.05
1998		0.025	0.20	0.534	1.71	3.1	0.764	30	0.05
1997		0.025	0.15	0.592	1.5	2.7	0.752	31	0.05
1996		0.025	0.14	0.381	1.1	1.8	0.467	24	0.05
1995		0.06	0.34	0.511	0.92	2.0	0.497	24	0.05
1994		0.14	0.89	*	2.97	3.1	1.13	14	0.05
1993		0.05	0.25	0.925	2.7	4.0	1.14	24	0.05
1992		0.05	0.21	0.832	2.62	4.1	1.20	24	0.05
1991		0.025	0.46	0.681	1.78	2.7	0.773	24	0.05
1990		0.025	*	*	*	5.0	1.72	8	0.05
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.