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	Annual Toxics Summary Simi Valley-Cochran Street FAQs Phosphorus 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		*	*	*	*	*	*	0	*
2013		*	*	*	*	*	*	0	*
2012		*	*	*	*	*	*	0	*
2011		*	*	*	*	*	*	0	*
2010		*	*	*	*	*	*	0	*
2009		*	*	*	*	*	*	0	*
2008		*	*	*	*	*	*	0	*
2007		*	*	*	*	*	*	0	*
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		10	*	*	*	22	5.1	4	2
2002		8	46	47.7	79	96	23.3	29	2
2001		7.5	43	*	89	100	29.6	24	15
2000		7.5	41	*	66	68	18.5	15	15
1999		7.5	56	*	100	110	28.6	27	15
1998		7.5	47	47.8	81	91	23.7	29	15
1997		7.5	44	46.2	83	94	21.6	31	15
1996		7.5	61	72.6	93	520	90.8	29	15
1995		7.5	7.5	31.2	78	94	29.6	31	15
1994		7.5	7.5	*	22	31	8.0	15	15
1993		*	*	*	*	*	*	0	*
1992		1	8	*	34	48	15.7	12	2
1991		1	12	17.6	48	64	18.1	28	2
1990		1	20	*	87	96	34.4	16	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.