California Home	ARB:	Home	Search	Site Map				Contact Us

	Annual Toxics Summary El Cajon-Redwood 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	*	*	*	0.30	0.104	5	0.05	*
2004		0.025	0.025	0.108	0.30	0.68	0.156	31	0.05	0.03
2003		0.025	0.025	0.142	0.33	0.81	0.191	31	0.05	0.05
2002		0.025	0.025	0.168	0.45	1.2	0.255	31	0.05	0.05
2001		0.025	0.07	0.265	0.83	1.7	0.455	30	0.05	0.08
2000		0.025	0.07	0.288	0.80	1.5	0.392	31	0.05	0.09
1999		0.025	0.11	0.381	1.22	1.6	0.486	30	0.05	0.1
1998		0.025	0.10	0.363	1.02	3.0	0.648	30	0.05	0.1
1997		0.025	0.07	0.294	0.70	1.6	0.400	31	0.05	0.09
1996		0.025	0.08	0.215	0.60	1.1	0.286	24	0.05	0.07
1995		0.025	0.17	0.285	0.64	1.2	0.321	24	0.05	0.09
1994		0.08	0.41	*	1.47	1.9	0.608	14	0.05	*
1993		0.025	0.11	0.505	1.42	2.6	0.679	24	0.05	0.2
1992		0.025	0.11	0.461	1.48	2.4	0.697	24	0.05	0.1
1991		0.025	0.30	0.473	1.07	2.2	0.551	24	0.05	0.2
1990		0.08	*	*	*	3.4	1.16	8	0.05	*
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.