Ultrafine Particles and Associated Pollutants on Roadways and in Community Air of Los Angeles California, Beijing China, and the Los Angeles International Airport

Ultrafine Particles and Associated Pollutants on Roadways and in Community Air of Los Angeles California, Beijing China, and the Los Angeles International Airport

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An important finding made in Los Angeles was that real-time pollutant measurements could be made on busy roadways. UFP size distribution measurements made on a freeway with heavy-duty truck traffic demonstrated that UFP were much higher than on other highways or in community air. Nitric oxide (NO) levels were also much higher in these truck-dominated microenvironments. High correlations were found between UFP, black carbon (BC), particle counts, (NO), and particulate polycyclic aromatic hydrocarbons.... side-by-side, which allowed simultaneous measurements of the full size range of on-road PM2.5. 2. Methods 2.1. Mobile satnpling platform We used a 1998 electric Toyota RAV4 SUV as our mobile sampling platform because it wasanbsp;...


Title:Ultrafine Particles and Associated Pollutants on Roadways and in Community Air of Los Angeles California, Beijing China, and the Los Angeles International Airport
Author: Frederick Dane Westerdahl
Publisher:ProQuest - 2009
ISBN-13:

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