TY  - BOOK
AU  -  Henschel,D.Bruce
ED  -  U.S. Environmental Protection Agency. 
TI  -  Radon reduction techniques for existing detached houses : :  technic al guidance / 
U1  -  628.535   22
PY  - 1993///
CY  -  Research Triangle Park, N.C. : 
PB  -  U.S. Environmental Protection Agen cy, 
KW  -  Radon mitigation
KW  -  Handbooks, manuals, etc
KW  -  Soil air
N1  -  Includes bibliographical references (p. 187-192)
ER  -