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	Annual Toxics Summary Roseville-N Sunrise Blvd FAQs Dibenz(a,h)anthracene-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	*	*	*	0.08	0.027	5	0.05	*
2004		0.025	0.025	0.034	0.07	0.10	0.023	30	0.05	0.1
2003		0.025	0.025	0.041	0.09	0.20	0.039	31	0.05	0.1
2002		0.025	0.025	0.033	0.025	0.17	0.028	30	0.05	0.1
2001		0.025	0.025	0.032	0.025	0.12	0.024	31	0.05	0.1
2000		0.025	0.025	0.035	0.025	0.15	0.030	30	0.05	0.1
1999		0.025	0.025	0.030	0.025	0.09	0.016	30	0.05	0.1
1998		0.025	0.025	0.027	0.025	0.10	0.013	31	0.05	0.09
1997		0.025	0.025	0.032	0.025	0.13	0.020	30	0.05	0.1
1996		0.025	0.025	0.025	0.025	0.025	0.000	24	0.05	0.08
1995		0.025	0.025	0.027	0.025	0.08	0.011	24	0.05	0.09
1994		0.025	0.025	*	0.10	0.12	0.034	14	0.05	*
1993		0.025	0.025	*	0.15	0.25	0.065	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.