Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Leonard M. Zwack"'
Autor:
Kathleen R. Attfield, Marley Zalay, Leonard M. Zwack, Eric K. Glassford, Ryan F. LeBouf, Barbara L. Materna
Publikováno v:
J Occup Environ Hyg
E-cigarettes are battery-operated devices that heat a liquid mixture to make an aerosol that is inhaled, or vaped, by the user. Vape shops are retail environments designed to fulfill customer demand for diverse e-liquid flavors and hardware options,
Publikováno v:
Health Phys
OBJECTIVE: The primary objective of this work was to characterize employee exposure to radon and progeny while performing guide/interpretation and concessions duties in a tourist cavern. METHODS: Radon gas and progeny concentrations, fraction of unat
Publikováno v:
Atmospheric Environment. 45:2507-2514
Traffic within urban street canyons can contribute significantly to ambient concentrations of particulate air pollution. In these settings, it is challenging to separate within-canyon source contributions from urban and regional background concentrat
Publikováno v:
Environmental Health Perspectives
Background The relationship between traffic emissions and mobile-source air pollutant concentrations is highly variable over space and time and therefore difficult to model accurately, especially in urban settings with complex terrain. Regression-bas
Publikováno v:
Journal of Occupational and Environmental Hygiene. 4:209-216
The purpose of this research was to characterize the physical and chemical properties of asphalt (bitumen) fume and vapor in hot mix asphalt roadway paving operations. Area and personal air samples were taken using real-time equipment and extractive
Publikováno v:
Environmental Health Perspectives
In many settings there are tensions between efficiency and equity in deciding on optimal pollution control strategies. Within the context of benefit-cost analysis, efficiency may be related to implementing the least-cost control strategy to achieve a
Autor:
Clifford R. Lange, Michael D. McClean, Robert F. Herrick, Jennifer M. Cavallari, Leonard M. Zwack
Publikováno v:
The Annals of Occupational Hygiene.
OBJECTIVES To characterize temperature-dependent emissions from paving and built-up roofing asphalt (BURA) and to quantify differences in temperature-related concentrations and composition. METHODS Using headspace gas chromatography, 18 polycyclic ar