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(1988, 1990). (>4) (2-4) (
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Page 1: (>4) (2-4) (
Page 2: (>4) (2-4) (

(>4)(2-4)(<2)

(1988, 1990)

Page 3: (>4) (2-4) (

Geologyof West Virginia

Page 4: (>4) (2-4) (

764 West Virginia Zip Codes

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• 19,914 measurements• 1998-2003• 540 of 764 zip codes (71%)• Estimated 4.4% of residences

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Zip Codes with 5 or more

Measurements:361 of 764 (47%)

Page 7: (>4) (2-4) (

Zip codes with Median Radon Exceeding US EPA Action level (4 pCi/L):

41 of 361 (11%)

Page 8: (>4) (2-4) (

Zip codes with > 40% of Measurements Exceeding US EPA

Action level (4 pCi/L):100 of 540 (19%)

Page 9: (>4) (2-4) (

0.0

10.0

20.0

30.0

40.0

50.0

60.0

Per

cen

t E

leva

ted

Rad

on

Percent Elevated Radon Measurements as a Function of Dominant Bedrock Type In WV Zip Codes

n = 16

n = 1n = 16

n =165

n = 340

75th percentile

25th percentile

50th percentile


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