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	Annual Toxics Summary Fresno-1st 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		0.10	*	*	*	0.26	0.065	5	0.05	*
2004		0.025	0.025	0.117	0.34	1.0	0.202	30	0.05	0.04
2003		0.025	0.025	0.209	0.50	1.5	0.354	31	0.05	0.07
2002		0.025	0.025	0.227	0.64	1.3	0.333	30	0.05	0.07
2001		0.025	0.06	0.249	0.49	2.1	0.495	31	0.05	0.08
2000		0.025	0.025	0.234	0.54	1.9	0.485	30	0.05	0.07
1999		0.025	0.025	0.250	0.95	1.8	0.481	30	0.05	0.08
1998		0.025	0.025	0.266	1.1	1.6	0.452	31	0.05	0.08
1997		0.025	0.025	0.270	0.69	2.2	0.482	30	0.05	0.09
1996		0.025	0.025	0.210	0.88	1.2	0.380	24	0.05	0.07
1995		0.025	0.06	0.251	0.52	1.5	0.402	24	0.05	0.08
1994		0.025	0.31	*	1.28	2.2	0.614	14	0.05	*
1993		0.025	0.07	0.563	1.74	2.4	0.789	24	0.05	0.2
1992		0.025	0.05	0.313	1.1	2.3	0.570	24	0.05	0.1
1991		0.025	0.10	0.395	1.42	2.3	0.658	24	0.05	0.1
1990		0.025	0.025	*	0.83	9.6	2.24	18	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.