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	Annual Toxics Summary Bakersfield-5558 California Avenue FAQs Indeno(1,2,3-cd)pyrene-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		0.05	*	*	*	0.29	0.097	5	0.05	*
2004		0.025	0.025	0.162	0.39	1.1	0.245	29	0.05	0.05
2003		0.025	0.025	0.181	0.62	0.87	0.252	31	0.05	0.06
2002		0.025	0.025	0.261	0.81	1.3	0.376	30	0.05	0.08
2001		0.025	0.06	0.248	0.66	2.4	0.511	31	0.05	0.08
2000		0.025	0.025	0.266	0.71	1.7	0.432	30	0.05	0.08
1999		0.025	0.07	0.297	1.02	1.7	0.475	30	0.05	0.09
1998		0.025	0.13	0.284	1.0	1.5	0.415	31	0.05	0.09
1997		0.025	0.09	0.338	0.80	2.1	0.482	30	0.05	0.1
1996		0.025	0.11	0.234	0.59	1.2	0.309	24	0.05	0.07
1995		0.025	0.16	0.337	0.91	1.9	0.448	24	0.05	0.1
1994		0.13	*	*	*	3.1	0.968	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.