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	Annual Toxics Summary Burbank-W Palm Avenue FAQs Methyl Chloroform parts per billion

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		0.005	0.005	*	0.005	0.01	0.002	15	0.01
2013		0.005	0.005	0.007	0.01	0.02	0.004	29	0.01
2012		0.005	0.005	0.007	0.01	0.02	0.003	29	0.01
2011		0.005	0.01	0.011	0.02	0.02	0.005	27	0.01
2010		0.005	0.01	0.012	0.02	0.02	0.005	29	0.01
2009		0.01	0.02	0.015	0.02	0.02	0.005	31	0.01
2008		0.01	0.02	0.021	0.03	0.08	0.012	30	0.01
2007		0.01	0.02	0.022	0.03	0.04	0.007	29	0.01
2006		0.02	0.02	0.025	0.03	0.05	0.009	31	0.01
2005		0.02	0.03	0.028	0.04	0.07	0.011	29	0.01
2004		0.02	0.04	0.035	0.05	0.05	0.009	30	0.01
2003		0.04	0.04	*	0.06	0.12	0.017	26	0.01
2002		0.03	0.06	0.064	0.09	0.10	0.019	31	0.01
2001		0.05	0.07	0.076	0.10	0.14	0.022	30	0.01
2000		0.05	0.10	0.119	0.18	0.24	0.045	29	0.01
1999		0.08	0.19	*	0.37	0.45	0.108	17	0.01
1998		0.05	0.15	0.223	0.47	0.76	0.191	28	0.01
1997		0.16	0.47	0.489	1.0	1.1	0.305	29	0.01
1996		0.09	0.56	0.813	1.25	3.9	0.705	30	0.01
1995		0.15	1.1	1.27	2.2	3.6	0.796	31	0.01
1994		0.24	1.7	2.67	5.72	11	2.41	29	0.01
1993		0.52	3.6	5.82	8.62	26	5.96	33	0.01
1992		1.0	4.5	4.41	7.33	11	2.34	30	0.01
1991		0.73	4.3	5.20	10.28	18	4.15	27	0.01
1990		1.4	5.3	7.20	15	18	5.00	31	0.01
1989		0.79	5.0	*	12	31	8.36	11	0.01

	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.