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	Annual Toxics Summary Burbank-W Palm Avenue FAQs Manganese nanograms per cubic meter

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2025		*	*	*	*	*	*	0	*
2024		*	*	*	*	*	*	0	*
2023		*	*	*	*	*	*	0	*
2022		*	*	*	*	*	*	0	*
2021		*	*	*	*	*	*	0	*
2020		*	*	*	*	*	*	0	*
2019		*	*	*	*	*	*	0	*
2018		*	*	*	*	*	*	0	*
2017		*	*	*	*	*	*	0	*
2016		*	*	*	*	*	*	0	*
2015		*	*	*	*	*	*	0	*
2014		11	19	*	29	43	9.24	12	1.7
2013		5.6	20	*	32.5	49	10.4	26	1.0
2012		3.7	16	16.3	28	33	8.03	29	1.5
2011		3.1	18	*	25.8	34	6.15	23	1.5
2010		3.0	15	*	24.4	35	7.96	24	1.5
2009		2.2	17.5	20.7	31.4	61	12.2	30	1.5
2008		2.3	24.5	24.9	37.3	52	11.2	30	1.0
2007		7.9	22	20.9	36	39	9.23	28	1.5
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		12	*	*	*	42	11.9	5	1.0
2002		8.0	28	29.3	45.1	54	11.5	30	1.0
2001		3.0	24	*	36.1	49	11.4	28	2.0
2000		5.0	20	22.8	35	56	10.9	31	2.0
1999		10	24	*	39.6	55	11.3	25	2.0
1998		5.0	19	20.1	29	36	8.25	29	2.0
1997		8.0	24	*	37.4	50	10.4	29	2.0
1996		3.0	27	*	35.8	43	10.4	23	2.0
1995		3.0	24	25.3	41	72	14.9	31	2.0
1994		6.0	27	*	38.8	70	12.7	27	2.0
1993		3.0	27	26.8	40	65	14.2	31	2.0
1992		9.0	26	33.7	32	310	55.5	31	2.0
1991		6.0	35	36.6	55.6	96	19.3	28	2.0
1990		5.0	32.5	35.7	57.1	81	18.1	30	1.0
1989		7.0	38	*	59.2	76	16.9	34	1.0

	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.