3506B24 Final Report
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- TRACK Title : P2 Compliance
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Presentation Overview
Presenter: Karsten Baumann – GA Tech TRACK Title : P2 & CompliancePresentation Title: Minimizing Air Quality Impacts from Prescribed Burning Abstract In recognition of the conflicting requirements between the Endangered Species Act (ESA) and the Clean Air Act (CAA) statutes, the “Study of Air Quality Impacts Resulting from Prescribed Burning on Military Facilities” was initiated and sponsored by the DOA/CERL in support of the DOD Pollution Prevention Partnership. The motivation for this Study stemmed from observations made at a research monitoring station, established near Fort Benning, Georgia at the Oxbow Meadows Environmental Learning Center (OLC) as part of the Fall-line Air Quality Study (FAQS). The OLC is supported by the Columbus Water Works and is operated by personnel from the Columbus State University, who are intimately involved in the study. The objective is to develop feasible land management tools that minimize the impacts on local and regional air quality. In Phase I of the Study this year, a suite of meteorological quantities, trace gases and PM2.5 mass concentration was measured with 30 min time resolution. Particle-bound water-soluble ions, elemental and organic carbon (EC/OC) were measured in discrete time intervals between 5 and 24 h, using a specially developed Particle Composition Monitor (PCM). Analysis of these data indicates an increase in fine mass concentration along with its organics fraction, as burns are conducted later in the season under increasing ambient temperatures and acres burned. Also, the organic mass to organic carbon ratio (OM/OC) increases as the burns are conducted in the warmer season, possibly indicating the increased abundance of more oxygenated particulate organic compounds (POC) and more rapid formation of secondary organic aerosol (SOA). Preliminary POC data from high-volume samples, as well as VOC data from whole-air canister samples will be presented in conjunction with the PCM results and the higher resolution data. Authors : K. Baumann, S. Lee, M. Zheng, V. Dookwah, M. Chang, and A. Russell GA Tech 
Region 4 Environmental Conference June 24-26, 2003 Presentation Overview
Presenter: Sangil Lee – GA Tech TRACK Title : P2 & CompliancePresentation Title: Measurements of Prescribed Burning Emissions from Military Installations Abstract
Authors : Sangil Lee, Venus Dookwah, Mei Zheng, Karsten Baumann – GA Tech Real World Clean Air Symposium, US Army and EPA, Seattle, WA, May 19-22, 2003. “Air Quality Impacts of Prescribed Burning” K. Baumann1, M. Zheng1, A. Russell2, M. Chang1, S. Lee2, and V. Dookwah1 1 Georgia Institute of Technology, School of Earth & Atmospheric Sciences 2 Georgia Institute of Technology, School of Civil & Environmental Engineering Guided by the Endangered Species Act (ESA), the DOI through the Fish and Wildlife Service mandates that most army and air force bases in the South-Eastern US use prescribed burning to maintain the health of its native long leaf pine forest and thus protecting the habitat of the endangered red-cockaded woodpecker. Other installations across the Nation utilize prescribed burning to control invasive plants, which would otherwise endanger the habitat of other creatures. Proper management may require as much as 1/3 of the forest to undergo treatment by fire each year. Releasing primary and secondary gas- and particle-phase pollutants, biomass burning however, can contribute significantly to already burdened local and regional air pollutant loads, challenging the air quality standards mandated by the EPA and the Clean Air Act (CAA). In recognition of the conflicting requirements between the ESA and CAA statutes, the “Study of Air Quality Impacts Resulting from Prescribed Burning on Military Facilities” was initiated and sponsored by the DOA/CERL in support of the DOD Pollution Prevention Partnership. The motivation for this Study stemmed from observations made at a research monitoring station, established near Fort Benning, Georgia at the Oxbow Meadows Environmental Learning Center (OLC) as part of the Fall-line Air Quality Study (FAQS). The OLC is supported by the Columbus Water Works and is operated by personnel from the Columbus State University, who are intimately involved in the study. During a three-week period in the fall of 2001, the 24h average NAAQS for PM2.5 (65 µg m-3) was exceeded on five different days. The conditions leading to these locally confined exceedances are examined and presented. A sampling strategy has been developed to include the measurement of gas- and particle-phase tracers, indicative of biomass burning emissions, both at the source and the OLC site. The sampling is conducted in close collaboration with personnel from Fort Benning’s EMD and LMB, who also provide valuable information on the type and amount of fuel burned. One of the preliminary findings is that the organics fraction of PM2.5 mass increased significantly after the conduct of a burn in early February 2003, i.e. from 37 ±14 % a week before to 53 ±11 % during and after the burn. The individual species of the organics fraction are further quantified by GC-MS analyses of samples collected simultaneously at OLC, yielding the apportionment of various anthropogenic and biogenic sources contributing to the total ambient PM2.5 load. With the sampling of more plumes, more information will be gained to begin the development of an effective strategy, providing the ecological benefits afforded by prescribed burning without compromising an area’s ability to meet clean air goals. Download 11.49 Mb. Share with your friends:
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