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	Annual Toxics Summary Bakersfield-5558 California Avenue 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		0.07	*	*	*	0.35	0.118	5	0.05	*
2004		0.025	0.06	0.177	0.45	1.1	0.253	29	0.05	0.06
2003		0.025	0.06	0.190	0.65	0.88	0.263	31	0.05	0.06
2002		0.025	0.025	0.254	0.76	1.3	0.355	30	0.05	0.08
2001		0.025	0.06	0.229	0.64	2.5	0.499	31	0.05	0.07
2000		0.025	0.025	0.241	0.63	1.6	0.407	30	0.05	0.08
1999		0.025	0.07	0.269	0.81	1.6	0.444	30	0.05	0.09
1998		0.025	0.11	0.244	0.71	1.5	0.368	31	0.05	0.08
1997		0.025	0.08	0.332	0.63	2.5	0.524	30	0.05	0.1
1996		0.025	0.08	0.216	0.58	1.1	0.298	24	0.05	0.07
1995		0.025	0.15	0.276	0.60	1.5	0.355	24	0.05	0.09
1994		0.13	*	*	*	3.1	0.973	8	0.05	*
1993		*	*	*	*	*	*	0	*	*
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.