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	Annual Toxics Summary Bakersfield-5558 California Avenue FAQs Sulfur nanograms per cubic meter

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2024		*	*	*	*	*	*	0	*
2023		*	*	*	*	*	*	0	*
2022		*	*	*	*	*	*	0	*
2021		*	*	*	*	*	*	0	*
2020		*	*	*	*	*	*	0	*
2019		*	*	*	*	*	*	0	*
2018		*	*	*	*	*	*	0	*
2017		*	*	*	*	*	*	0	*
2016		*	*	*	*	*	*	0	*
2015		*	*	*	*	*	*	0	*
2014		*	*	*	*	*	*	0	*
2013		250	850	*	1200	1400	336	21	51
2012		250	730	*	1000	1500	319	29	60
2011		30	650	713	1200	2200	483	32	60
2010		90	510	566	970	1300	290	27	60
2009		180	700	877	1200	6200	1070	29	60
2008		310	770	778	1100	1700	325	31	20
2007		140	730	*	1100	1500	358	25	60
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		330	*	*	*	1200	347	5	2
2002		230	640	673	860	1800	282	36	2
2001		210	620	668	940	2200	360	39	2
2000		230	690	668	1000	1200	262	40	2
1999		140	670	690	1100	1200	262	39	2
1998		180	650	705	1100	1800	376	42	2
1997		290	620	648	880	1000	179	34	2
1996		280	640	674	990	2000	327	36	2
1995		160	650	721	1200	1600	384	30	2
1994		320	800	*	1100	1900	336	25	2
1993		*	*	*	*	*	*	0	*
1992		*	*	*	*	*	*	0	*
1991		*	*	*	*	*	*	0	*
1990		*	*	*	*	*	*	0	*
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.