Airborne Hexavalent Chromium from Cement Manufacturing in Western Riverside and San Bernardino Counties Dr. Philip Fine Atmospheric Measurement Manager South Coast Air Quality Management District , Diamond Bar Based   on    some    slightly    elevated   …

Exposure Assessment of Vehicular Emitted Ultrafine Particles-Towards a Mechanistic Understanding Dr. Yifang Zhu Environmental Health Sciences Department University of California at Los Angeles Although increasing evidence has demonstrated toxic effects of vehicular emitted ultrafine particles (UFP, diameter < 0.1 mm),…