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	Annual Toxics Summary Burbank-W Palm Avenue FAQs Phosphorus 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		*	*	*	*	*	*	0	*
2012		*	*	*	*	*	*	0	*
2011		*	*	*	*	*	*	0	*
2010		*	*	*	*	*	*	0	*
2009		*	*	*	*	*	*	0	*
2008		*	*	*	*	*	*	0	*
2007		*	*	*	*	*	*	0	*
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		7	*	*	*	36	11.0	5	2
2002		11	63	62.8	91	120	26.0	30	2
2001		7.5	55	*	83	92	21.6	28	15
2000		21	54	59.6	86	150	29.2	31	15
1999		31	64	*	100	140	25.2	25	15
1998		22	62	62.6	83	100	18.2	29	15
1997		27	65	*	95	130	24.7	29	15
1996		21	57	*	77	92	19.6	23	15
1995		7.5	7.5	34.2	88	160	39.2	31	15
1994		7.5	25	*	60	71	21.9	14	15
1993		*	*	*	*	*	*	0	*
1992		1	9	*	66	610	132	21	2
1991		1	9	24.4	67	110	31.4	28	2
1990		1	36	*	98	130	42.1	15	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.