Annual Statewide Strontium Summary

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ARB:

AQD:


	Annual Statewide Toxics Summary
	Strontium
	nanograms per cubic meter

Year

Months
Present

Minimum

Median

90th
Percentile

Maximum

Standard
Deviation

Number of
Observations

Detection
Limit

2002

1

11

15.3

29

67

11.3

491

1

2001

1

10

13.3

27

170

12.7

505

2

2000

1

10

12.7

25

79

10.0

472

2

1999

1

10

13.4

27

270

16.4

565

2

1998

1

9

12.1

24

570

25.6

561

2

1997

1

8

10.9

22

100

10.5

557

2

1996

1

9

10.6

23

66

8.9

595

2

1995

1

8

11.1

24

120

11.6

602

2

1994

1

9

11.1

23

78

9.6

585

2

1993

1

9

11.5

22

150

11.6

575

2

1992

1

9

11.6

23

160

12.4

554

2

1991

1

10

13.4

27

110

11.2

567

2

1990

1

14

31

79

11.5

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.