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

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2024		11	52	*	87	143	36.1	12	0.1
2023		8	92	106	170	305	62.3	31	2.69
2022		22	110	118	210	350	76.9	30	2.69
2021		6	150	*	310	344	90.9	24	2.69
2020		43	*	*	*	164	50.2	9	2.69
2019		18	96	124	260	330	86.0	34	2.69
2018		10	100	117	230	289	78.8	37	2.69
2017		11	97	114	210	278	66.3	33	2.69
2016		23	130	*	230	290	75.7	33	2.69
2015		1.345	97	110	190	420	81.7	33	2.69
2014		10	130	*	240	360	88.5	16	1.9
2013		27	100	*	130	230	53.2	21	1.5
2012		16	57	72.7	140	190	46.0	32	9
2011		4.5	41	54.7	110	200	48.3	32	9
2010		4.5	34	44.1	110	160	41.5	29	9
2009		4.5	44	44.2	78	120	30.6	29	9
2008		71	210	264	520	730	172	31	1
2007		4.5	67	70.3	110	290	51.5	32	9
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		68	*	*	*	130	23.5	5	3
2002		40	210	218	370	490	118	36	3
2001		17	130	162	310	390	105	39	10
2000		5	170	181	270	440	93.2	40	10
1999		5	150	190	410	560	136	39	10
1998		18	120	160	340	470	123	42	10
1997		31	190	191	310	420	105	34	10
1996		15	160	161	350	550	127	36	10
1995		14	220	232	450	520	147	30	10
1994		37	200	*	390	430	113	25	10
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.