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	Annual Toxics Summary Fremont-Chapel Way 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		0.08	*	*	*	0.76	0.316	5	0.05
2004		0.025	0.09	0.143	0.35	0.63	0.158	30	0.05
2003		0.025	0.11	0.211	0.33	1.2	0.294	31	0.05
2002		0.025	0.09	0.160	0.43	0.73	0.179	30	0.05
2001		0.025	0.11	0.233	0.64	1.3	0.316	31	0.05
2000		0.025	0.13	0.321	1.01	1.4	0.412	30	0.05
1999		0.025	0.21	0.363	1.0	1.7	0.399	30	0.05
1998		0.025	0.31	0.403	1.0	1.6	0.392	31	0.05
1997		0.025	0.19	0.286	0.55	1.5	0.323	30	0.05
1996		0.025	0.19	0.310	0.74	1.6	0.362	24	0.05
1995		0.025	0.38	0.462	0.85	1.4	0.322	24	0.05
1994		0.18	0.76	*	2.12	2.5	0.738	14	0.05
1993		0.09	0.46	0.900	2.08	2.8	0.826	24	0.05
1992		0.025	0.33	0.529	1.66	2.2	0.640	24	0.05
1991		0.025	0.33	0.717	2.22	3.6	0.946	24	0.05
1990		0.23	*	*	*	2.2	0.608	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.