Annual Statewide Yttrium Summary

California Home

ARB:

	Annual Statewide Toxics Summary
	Annual Statewide Toxics Summary
	Yttrium	FAQs
	nanograms per cubic meter

Year

Months
Present

Minimum

Median

90th
Percentile

Maximum

Standard
Deviation

Number of
Observations

Detection
Limit

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

2

*

3

5

1.1

86

2

2002

1

1

1.9

3

6

1.1

491

2

2001

1

1

1.4

2

6

0.8

505

2

2000

1

1

1.3

2

5

0.7

472

2

1999

1

1

1.3

2

5

0.7

565

2

1998

1

1

1.2

2

8

0.7

561

2

1997

1

1

1.2

2

5

0.6

557

2

1996

1

1

1.4

3

8

0.9

595

2

1995

1

1

1.2

2

8

0.7

602

2

1994

1

1

1.3

3

5

0.7

585

2

1993

1

1

1.6

3

6

1.0

575

2

1992

1

1

1.4

2

21

1.1

554

2

1991

1

1

1.6

3

20

1.3

567

2

1990

1

1

*

3

7

1.1

309

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.