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	Annual Toxics Summary Los Angeles-North Main Street 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	*
2004		0.025	0.30	0.358	0.80	1.1	0.314	31	0.05
2003		0.025	0.14	0.239	0.50	0.90	0.237	31	0.05
2002		0.025	0.30	0.392	0.90	1.2	0.336	31	0.05
2001		0.025	0.20	0.368	1.02	1.6	0.408	30	0.05
2000		0.06	0.30	0.516	1.1	2.1	0.526	31	0.05
1999		0.025	0.32	0.609	1.41	1.9	0.529	30	0.05
1998		0.05	0.50	0.613	1.22	2.0	0.515	30	0.05
1997		0.11	0.52	0.685	1.4	1.8	0.513	30	0.05
1996		0.17	0.47	0.665	1.24	3.1	0.623	24	0.05
1995		0.13	0.80	0.828	1.61	2.0	0.541	24	0.05
1994		0.28	1.5	*	2.1	2.8	0.770	14	0.05
1993		0.08	0.97	1.07	2.0	2.9	0.796	24	0.05
1992		0.14	0.79	1.07	2.5	3.4	0.906	24	0.05
1991		0.07	0.62	0.887	1.88	3.7	0.854	24	0.05
1990		0.25	*	*	*	3.2	0.972	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.