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	Annual Toxics Summary Burbank-W Palm Avenue FAQs Titanium 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		31	56	*	79	110	22.5	12	1.9
2013		13	51	*	78	120	24.7	26	1.5
2012		4.5	30	31.4	54	72	17.8	29	9
2011		4.5	31	*	49	56	12.5	22	9
2010		4.5	27	28.2	46	61	14.4	29	9
2009		4.5	31	32.6	60	71	21.3	30	9
2008		16	150	149	210	330	65.8	30	1
2007		17	42	40.7	66	76	16.7	28	9
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		66	*	*	*	190	48.5	5	3
2002		51	150	157	230	260	59.0	30	3
2001		16	130	*	200	270	59.5	28	10
2000		22	130	164	210	1500	254	31	10
1999		47	150	*	230	580	105	25	10
1998		33	120	123	170	210	46.1	29	10
1997		52	140	*	240	330	70.5	29	10
1996		21	160	*	220	230	57.6	23	10
1995		21	160	159	260	430	93.7	31	10
1994		28	160	*	220	370	77.0	27	10
1993		28	180	192	320	350	94.0	31	10
1992		56	150	207	250	1800	323	31	10
1991		37	220	219	330	560	111	28	10
1990		100	260	*	370	530	107	15	10
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.