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	Annual Toxics Summary Fresno-1st Street FAQs Sulfur 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		120	450	486	910	1200	299	31	60
2010		81	430	539	870	2100	413	27	60
2009		140	440	472	920	1200	283	33	60
2008		84	560	540	770	1100	214	32	20
2007		100	540	*	800	1100	253	17	60
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		140	*	*	*	1600	484	7	2
2002		220	540	550	850	1000	196	29	2
2001		110	530	565	800	1200	264	32	2
2000		140	530	511	710	940	176	29	2
1999		150	560	*	980	1200	301	25	2
1998		91	500	558	900	1200	290	26	2
1997		57	480	494	740	870	199	30	2
1996		74	550	490	750	980	254	29	2
1995		83	570	622	1000	1300	341	31	2
1994		140	520	*	760	850	218	25	2
1993		150	600	639	870	1500	259	29	2
1992		350	710	755	1100	1500	286	31	2
1991		140	670	*	970	1500	303	25	2
1990		480	780	*	1200	1200	248	16	2
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.