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	Annual Toxics Summary Roseville-N Sunrise Blvd FAQs Benzo(b)fluoranthene-10 nanograms per cubic meter

Read About Estimated Risk

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit	Estimated Risk
2005		0.09	*	*	*	0.77	0.252	5	0.05	*
2004		0.025	0.025	0.167	0.50	0.84	0.228	30	0.05	0.05
2003		0.025	0.07	0.199	0.69	1.0	0.279	31	0.05	0.06
2002		0.025	0.025	0.149	0.35	1.0	0.208	30	0.05	0.05
2001		0.025	0.13	0.267	0.50	1.5	0.377	31	0.05	0.08
2000		0.025	0.06	0.191	0.58	1.0	0.282	30	0.05	0.06
1999		0.025	0.07	0.208	0.51	1.6	0.338	30	0.05	0.07
1998		0.025	0.09	0.154	0.44	0.67	0.177	31	0.05	0.05
1997		0.025	0.06	0.209	0.37	1.6	0.329	30	0.05	0.07
1996		0.025	0.08	0.136	0.40	0.50	0.152	24	0.05	0.04
1995		0.025	0.13	0.240	0.48	1.5	0.324	24	0.05	0.08
1994		0.08	0.46	*	1.07	1.2	0.376	14	0.05	*
1993		0.025	0.10	*	1.39	2.5	0.720	18	0.05	*
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.