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	Annual Toxics Summary Simi Valley-Cochran 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		0.025	*	*	*	0.08	0.024	5	0.05	*
2004		0.025	0.025	0.035	0.06	0.15	0.026	31	0.05	0.01
2003		0.025	0.025	0.039	0.08	0.14	0.030	31	0.05	0.01
2002		0.025	0.025	0.044	0.10	0.16	0.038	31	0.05	0.01
2001		0.025	0.025	0.034	0.08	0.15	0.028	31	0.05	0.01
2000		0.025	0.025	0.040	0.07	0.18	0.035	31	0.05	0.01
1999		0.025	0.025	0.039	0.10	0.19	0.040	30	0.05	0.01
1998		0.025	0.025	0.040	0.12	0.24	0.048	30	0.05	0.01
1997		0.025	0.025	0.039	0.08	0.14	0.029	31	0.05	0.01
1996		0.025	0.025	0.043	0.07	0.24	0.047	24	0.05	0.01
1995		0.025	0.025	0.048	0.08	0.21	0.051	24	0.05	0.02
1994		0.025	0.07	*	0.12	0.14	0.038	12	0.05	*
1993		0.025	0.025	0.079	0.19	0.35	0.091	24	0.05	0.03
1992		0.025	0.025	0.051	0.09	0.34	0.066	24	0.05	0.02
1991		0.025	0.025	0.111	0.35	0.68	0.166	24	0.05	0.04
1990		0.025	0.025	0.067	0.19	0.30	0.075	24	0.05	0.02
1989		0.025	0.025	*	0.11	0.30	0.069	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.