Annual Statewide Rubidium Summary

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ARB:

AQD:


	Annual Statewide Toxics Summary
	Rubidium
	nanograms per cubic meter

Year

Months
Present

Minimum

Median

90th
Percentile

Maximum

Standard
Deviation

Number of
Observations

Detection
Limit

2002

0.5

3

3.6

8

14

2.7

491

1

2001

1

2

2.9

6

16

2.5

505

2

2000

1

2

2.8

6

13

2.4

472

2

1999

1

1

2.8

6

16

2.7

565

2

1998

1

1

2.3

5

21

2.4

561

2

1997

1

1

2.3

5

16

2.4

557

2

1996

1

1

2.2

5

16

2.2

595

2

1995

1

1

2.1

5

17

2.4

602

2

1994

1

1

2.2

5

13

2.2

585

2

1993

1

1

2.3

5

17

2.5

575

2

1992

1

1

2.5

5

46

3.0

554

2

1991

1

1

2.9

6

34

3.2

567

2

1990

1

3

8

21

3.2

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. Risks shown only for those substances with unit risk factors.