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	Annual Toxics Summary San Jose-4th Street 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	*	*
2004		*	*	*	*	*	*	0	*	*
2003		*	*	*	*	*	*	0	*	*
2002		0.025	*	*	*	0.30	0.104	10	0.05	*
2001		0.025	0.025	0.075	0.13	1.0	0.180	31	0.05	0.02
2000		0.025	0.025	0.078	0.25	0.49	0.107	30	0.05	0.02
1999		0.025	0.025	0.091	0.29	0.55	0.124	30	0.05	0.03
1998		0.025	0.025	0.086	0.27	0.45	0.117	31	0.05	0.03
1997		0.025	0.025	0.093	0.16	0.66	0.139	30	0.05	0.03
1996		0.025	0.025	0.063	0.19	0.29	0.079	24	0.05	0.02
1995		0.025	0.05	0.109	0.18	1.0	0.202	24	0.05	0.03
1994		0.025	0.17	*	0.83	1.2	0.355	14	0.05	*
1993		0.025	0.06	0.232	0.71	1.3	0.355	24	0.05	0.07
1992		0.025	0.06	0.193	0.68	1.0	0.287	24	0.05	0.06
1991		0.025	0.025	0.124	0.37	0.50	0.149	24	0.05	0.04
1990		0.025	0.025	0.278	0.57	2.4	0.575	24	0.05	0.09
1989		0.025	0.07	*	0.58	0.80	0.246	18	0.05	*

	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.