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	Annual Toxics Summary Roseville-N Sunrise Blvd FAQs Benzo(k)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		0.025	*	*	*	0.34	0.114	5	0.05	*
2004		0.025	0.025	0.076	0.21	0.35	0.092	30	0.05	0.02
2003		0.025	0.025	0.091	0.29	0.45	0.119	31	0.05	0.03
2002		0.025	0.025	0.070	0.14	0.42	0.083	30	0.05	0.02
2001		0.025	0.025	0.113	0.22	0.57	0.140	31	0.05	0.04
2000		0.025	0.025	0.082	0.25	0.42	0.113	30	0.05	0.03
1999		0.025	0.025	0.085	0.21	0.63	0.124	30	0.05	0.03
1998		0.025	0.025	0.064	0.18	0.28	0.072	31	0.05	0.02
1997		0.025	0.025	0.090	0.15	0.66	0.131	30	0.05	0.03
1996		0.025	0.025	0.058	0.16	0.20	0.058	24	0.05	0.02
1995		0.025	0.025	0.095	0.19	0.60	0.131	24	0.05	0.03
1994		0.025	0.18	*	0.46	0.49	0.162	14	0.05	*
1993		0.025	0.025	*	0.64	1.1	0.322	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.