California Home	ARB:	Home	Search	Site Map				Contact Us

	Annual Toxics Summary El Cajon-Redwood Avenue 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	*	*	*	0.09	0.031	5	0.05	*
2004		0.025	0.025	0.051	0.10	0.27	0.063	31	0.05	0.02
2003		0.025	0.025	0.060	0.10	0.30	0.066	31	0.05	0.02
2002		0.025	0.025	0.067	0.17	0.37	0.080	31	0.05	0.02
2001		0.025	0.025	0.102	0.33	0.56	0.159	30	0.05	0.03
2000		0.025	0.025	0.094	0.25	0.43	0.113	31	0.05	0.03
1999		0.025	0.025	0.127	0.42	0.54	0.161	30	0.05	0.04
1998		0.025	0.025	0.113	0.28	1.1	0.219	30	0.05	0.04
1997		0.025	0.025	0.099	0.22	0.56	0.126	31	0.05	0.03
1996		0.025	0.025	0.072	0.18	0.36	0.097	24	0.05	0.02
1995		0.025	0.025	0.101	0.25	0.50	0.133	24	0.05	0.03
1994		0.025	0.13	*	0.63	0.64	0.258	14	0.05	*
1993		0.025	0.025	0.190	0.53	1.0	0.265	24	0.05	0.06
1992		0.025	0.025	0.176	0.60	1.0	0.292	24	0.05	0.06
1991		0.025	0.07	0.128	0.28	0.60	0.159	24	0.05	0.04
1990		0.025	0.025	0.253	0.67	1.4	0.365	24	0.05	0.08
1989		0.025	0.025	*	0.33	0.94	0.288	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.