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	Annual Toxics Summary Fresno-1st Street FAQs Potassium nanograms per cubic meter

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2023		*	*	*	*	*	*	0	*
2022		*	*	*	*	*	*	0	*
2021		*	*	*	*	*	*	0	*
2020		*	*	*	*	*	*	0	*
2019		*	*	*	*	*	*	0	*
2018		*	*	*	*	*	*	0	*
2017		*	*	*	*	*	*	0	*
2016		*	*	*	*	*	*	0	*
2015		*	*	*	*	*	*	0	*
2014		*	*	*	*	*	*	0	*
2013		*	*	*	*	*	*	0	*
2012		*	*	*	*	*	*	0	*
2011		*	*	*	*	*	*	0	*
2010		*	*	*	*	*	*	0	*
2009		*	*	*	*	*	*	0	*
2008		*	*	*	*	*	*	0	*
2007		*	*	*	*	*	*	0	*
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		89	*	*	*	650	187	7	5
2002		250	750	817	1200	1900	388	29	5
2001		82	630	747	1300	2200	450	32	3
2000		120	740	703	1200	1500	373	29	3
1999		89	730	*	1500	2500	585	25	3
1998		60	600	727	1700	2300	619	26	3
1997		78	720	844	1500	3000	634	30	3
1996		110	350	617	1400	1800	507	29	3
1995		100	570	772	1700	2300	627	31	3
1994		140	620	*	1300	1500	420	25	3
1993		130	770	889	1700	2800	639	29	3
1992		350	750	893	1800	2000	486	31	3
1991		110	830	*	1900	2400	675	25	3
1990		700	1500	*	2900	3300	815	16	3
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.