Chemical Mass Balance Source Apportionment of Lead in House Dust

Jan 1, 1998 - A CMB analysis consists of a least-squares solution to a set of linear equations: where HDi is the concentration of element i in house d...
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Environ. Sci. Technol. 1998, 32, 108-114

Chemical Mass Balance Source Apportionment of Lead in House Dust JOHN L. ADGATE,† ROBERT D. WILLIS,‡ TIMOTHY J. BUCKLEY,§ JUDITH C. CHOW,| JOHN G. WATSON,| GEORGE G. RHOADS,† AND PAUL J. LIOY† Environmental and Occupational Health Sciences Institute (EOHSI), 681 Frelinghuysen Road, P.O. Box 1179, Piscataway, New Jersey 08855-1179, ManTech Environmental Technology, Inc., 2 Triangle Drive, RTP, North Carolina 27709, U.S. Environmental Protection Agency, National Exposure Research Laboratory, MD-56, RTP, North Carolina 27711, and Desert Research Institute, Energy and Environmental Engineering Center, P.O. Box 60220, Reno, Nevada 89506

Chemical mass balance was used to apportion the major proximate contributors of lead mass to house dust (HDPb) obtained from urban Jersey City, NJ, homes of children at risk for lead exposure. Coarse (up to ∼60 µm) and PM10 (