California Home	ARB:	Home	Search	Site Map				Contact Us

	Annual Toxics Summary Chula Vista 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		1	*	*	*	25	9.8	5	2
2002		1	28	28.8	51	72	18.2	30	2
2001		17	33	37.3	49	140	22.4	28	15
2000		7.5	33	*	50	63	15.9	11	15
1999		7.5	38	*	53	84	17.1	17	15
1998		19	39	39.4	54	120	19.4	27	15
1997		7.5	23	25.2	42	63	15.0	29	15
1996		7.5	7.5	17.1	31	44	10.8	30	15
1995		7.5	7.5	14.3	31	61	12.8	29	15
1994		7.5	7.5	*	7.5	27	5.0	15	15
1993		*	*	*	*	*	*	0	*
1992		1	1	*	16	21	6.8	19	2
1991		1	1	7.0	20	47	11.1	29	2
1990		1	3	*	17	44	11.2	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.