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	Annual Toxics Summary Burbank-W Palm Avenue FAQs Calcium 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		*	*	*	*	*	*	0	*
2013		*	*	*	*	*	*	0	*
2012		*	*	*	*	*	*	0	*
2011		*	*	*	*	*	*	0	*
2010		*	*	*	*	*	*	0	*
2009		*	*	*	*	*	*	0	*
2008		*	*	*	*	*	*	0	*
2007		*	*	*	*	*	*	0	*
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		710	*	*	*	3200	1030	5	4
2002		500	1600	1650	2700	3200	732	30	4
2001		160	1200	*	1800	2200	511	28	3
2000		210	1200	1220	1700	3100	616	31	3
1999		470	1300	*	2200	2900	616	25	3
1998		280	1200	1220	1800	2100	508	29	3
1997		500	1500	*	2300	3100	686	29	3
1996		170	1300	*	1900	1900	520	23	3
1995		200	1300	1270	2400	3700	771	31	3
1994		320	1200	*	2200	4000	752	27	3
1993		170	1400	1380	2100	4200	821	31	3
1992		380	1200	1480	1900	7700	1530	31	3
1991		270	1300	1490	2500	3300	754	28	3
1990		740	1800	*	3000	3300	774	15	3
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.